diff --git a/app/Data/Role/AssignUsersToRoleData.php b/app/Data/Role/AssignUsersToRoleData.php
new file mode 100644
index 0000000..89d80b7
--- /dev/null
+++ b/app/Data/Role/AssignUsersToRoleData.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Data\Role;
+
+use Spatie\LaravelData\Data;
+
+final class AssignUsersToRoleData extends Data
+{
+    public function __construct(
+        public int $roleId,
+        /** @var int[] */
+        public array $userIds
+    ) {}
+}
diff --git a/app/Data/Role/RoleData.php b/app/Data/Role/RoleData.php
index ed9602d..20270a7 100644
--- a/app/Data/Role/RoleData.php
+++ b/app/Data/Role/RoleData.php
@@ -12,7 +12,9 @@ final class RoleData extends Data
     public function __construct(
         public int $id,
         public string $name,
-        #[DataCollectionOf(class: RoleAppData::class), ]
-        public ?DataCollection $apps = null
+        #[DataCollectionOf(class: RoleAppData::class)]
+        public ?DataCollection $apps = null,
+        #[DataCollectionOf(class: RoleUserData::class)]
+        public ?DataCollection $users = null,
     ) {}
 }
diff --git a/app/Data/Role/RoleUserData.php b/app/Data/Role/RoleUserData.php
new file mode 100644
index 0000000..58d3cc2
--- /dev/null
+++ b/app/Data/Role/RoleUserData.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Data\Role;
+
+use App\Models\User;
+use Spatie\LaravelData\Data;
+
+final class RoleUserData extends Data
+{
+    public function __construct(
+        public int $id,
+        public string $name,
+        public string $initials = '',
+    ) {}
+
+    /**
+     * Intercept the Eloquent model and map it to the DTO properties.
+     */
+    public static function fromModel(User $user): self
+    {
+        return new self(
+            id: $user->id,
+            name: $user->name,
+            initials: $user->initials()
+        );
+    }
+}
diff --git a/app/Data/Role/UserSelectData.php b/app/Data/Role/UserSelectData.php
new file mode 100644
index 0000000..e7a807a
--- /dev/null
+++ b/app/Data/Role/UserSelectData.php
@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Data\Role;
+
+use Spatie\LaravelData\Data;
+
+/**
+ * Lightweight DTO for populating the user search/select dropdown.
+ * Only carries the fields the UI choices component needs.
+ */
+final class UserSelectData extends Data
+{
+    public function __construct(
+        public int $id,
+        public string $name,
+    ) {}
+}
diff --git a/app/Models/User.php b/app/Models/User.php
index feba9da..80f20e8 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -13,6 +13,7 @@
 use Illuminate\Notifications\Notifiable;
 use Illuminate\Support\Str;
 use Laravel\Fortify\TwoFactorAuthenticatable;
+use Spatie\Permission\Traits\HasRoles;
 
 #[Fillable(['name', 'email', 'password'])]
 #[Hidden(['password', 'two_factor_secret', 'two_factor_recovery_codes', 'remember_token'])]
@@ -21,6 +22,7 @@ final class User extends Authenticatable
     /** @use HasFactory<UserFactory> */
     use HasFactory, SoftDeletes;
 
+    use HasRoles;
     use Notifiable;
     use TwoFactorAuthenticatable;
 
diff --git a/app/Services/AppRoleService.php b/app/Services/AppRoleService.php
index f488a18..aa547b8 100644
--- a/app/Services/AppRoleService.php
+++ b/app/Services/AppRoleService.php
@@ -4,8 +4,8 @@
 
 namespace App\Services;
 
-use App\Data\Role\{AssignAppsToRoleData, RoleAppData};
-use App\Models\{AppRole, ConnectedApp};
+use App\Data\Role\{AssignAppsToRoleData, AssignUsersToRoleData, RoleAppData, RoleUserData, UserSelectData};
+use App\Models\{AppRole, ConnectedApp, Role, User};
 use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Support\Facades\DB;
 use InvalidArgumentException;
@@ -105,7 +105,96 @@ public function searchAppsForSelect(string $search = ''): Collection
     #[NoDiscard]
     public function getAllAppIds(): array
     {
-        // Replace 'ConnectedApp' with your actual model name
         return ConnectedApp::pluck('id')->toArray();
     }
+
+    /**
+     * Assign users to a role using spatie/laravel-permission.
+     *
+     * @throws Throwable when an error occurs during the assignment.
+     */
+    public function assignUsersToRole(AssignUsersToRoleData $data): void
+    {
+        if (empty($data->userIds)) {
+            return;
+        }
+
+        DB::transaction(function () use ($data): void {
+            $role = Role::query()->findOrFail($data->roleId);
+            $users = User::query()->whereIn('id', $data->userIds)->get();
+
+            /** @var User $user */
+            foreach ($users as $user) {
+                if (! $user->hasRole($role)) {
+                    $user->assignRole($role);
+                }
+            }
+        });
+    }
+
+    /**
+     * Remove a user from a role.
+     *
+     * @throws InvalidArgumentException when userId is invalid.
+     * @throws Throwable when an error occurs during the removal.
+     */
+    public function detachUserFromRole(int $roleId, int $userId): void
+    {
+        if ($userId <= 0) {
+            throw new InvalidArgumentException('Invalid user id');
+        }
+
+        DB::transaction(function () use ($roleId, $userId): void {
+            $role = Role::query()->findOrFail($roleId);
+            $user = User::query()->findOrFail($userId);
+
+            $user->removeRole($role);
+        });
+    }
+
+    /**
+     * Get all users assigned to a given role.
+     *
+     * @return DataCollection<int, RoleUserData>
+     */
+    #[NoDiscard]
+    public function getUsersForRole(int $roleId): DataCollection
+    {
+        $role = Role::query()->findOrFail($roleId);
+
+        $users = User::query()
+            ->select(['id', 'name', 'email'])
+            ->role($role)
+            ->orderBy('name')
+            ->get();
+
+        return RoleUserData::collect(
+            $users->map(fn (User $user): array => [
+                'id' => $user->id,
+                'name' => $user->name,
+                'email' => $user->email,
+            ])->all(),
+            DataCollection::class,
+        );
+    }
+
+    /**
+     * Search users for the select dropdown, returning only id and name.
+     *
+     * @return DataCollection<int, UserSelectData>
+     */
+    #[NoDiscard]
+    public function searchUsersForSelect(string $search = ''): DataCollection
+    {
+        $users = User::query()
+            ->select(['id', 'name'])
+            ->when($search, function ($query, $search): void {
+                $query->where('name', 'like', '%'.$search.'%');
+            })
+            ->limit(50)
+            ->orderBy('name')
+            ->get();
+
+        return UserSelectData::collect($users, DataCollection::class);
+    }
 }
diff --git a/app/Services/RoleService.php b/app/Services/RoleService.php
index eb68e3a..cdd2c24 100644
--- a/app/Services/RoleService.php
+++ b/app/Services/RoleService.php
@@ -55,7 +55,7 @@ public function delete(int $id): void
     public function getAll(): PaginatedDataCollection
     {
         $roles = Role::query()
-            ->with('apps')
+            ->with(['apps:id,name', 'users:id,name'])
             ->orderBy('id')
             ->paginate();
 
diff --git a/resources/views/components/dashboard-sidebar.blade.php b/resources/views/components/dashboard-sidebar.blade.php
index 628cfd3..0def7e6 100644
--- a/resources/views/components/dashboard-sidebar.blade.php
+++ b/resources/views/components/dashboard-sidebar.blade.php
@@ -58,8 +58,8 @@ public function navItems(): DataCollection
                 sub_menu: NavSubItemData::collect([
                     new NavSubItemData(
                         label: 'Roles and Apps',
-                        route: 'access-manager.roles-and-apps',
-                        active_pattern: 'access-manager.roles-and-apps',
+                        route: 'access-manager.roles-and-apps.index',
+                        active_pattern: 'access-manager.roles-and-apps.*',
                     ),
                 ], DataCollection::class)
             ),
diff --git a/resources/views/pages/access-manager/roles-and-apps/⚡index.blade.php b/resources/views/pages/access-manager/roles-and-apps/⚡index.blade.php
index 399cbd7..f0ea531 100644
--- a/resources/views/pages/access-manager/roles-and-apps/⚡index.blade.php
+++ b/resources/views/pages/access-manager/roles-and-apps/⚡index.blade.php
@@ -3,7 +3,7 @@
 use App\Concerns\HandlesOperations;
 use App\Livewire\Forms\CreateRoleForm;
 use App\Services\AppRoleService;
-use App\Data\Role\{AssignAppsToRoleData, CreateRoleData, RoleAppData};
+use App\Data\Role\{AssignAppsToRoleData, CreateRoleData, RoleAppData, RoleUserData};
 use App\Data\Ui\TableHeader;
 use App\Services\RoleService;
 use Livewire\Attributes\{Computed, Layout, Title, Validate};
@@ -37,7 +37,7 @@ public function mount(): void
         $this->headers = TableHeader::collect([
             new TableHeader(key: 'name', label: 'Name'),
             new TableHeader(key: 'apps', label: 'Apps'),
-            new TableHeader(key: '', label: 'Users'),
+            new TableHeader(key: 'users', label: 'Users'),
         ], DataCollection::class);
     }
 
@@ -132,6 +132,17 @@ public function delete(int $roleId): void
             @endforeach
             @endscope
 
+            @scope('cell_users', $row)
+            <div class="flex -space-x-2 overflow-hidden">
+                @foreach($row->users as $user)
+                    @php /** @var RoleUserData $user */ @endphp
+                    <x-mary-avatar :placeholder="$user->initials"
+                                   class="w-8! h-8! bg-blue-100 text-blue-600 border-2 border-white ring-0"
+                                   tooltip="{{ $user->name }}"/>
+                @endforeach
+            </div>
+            @endscope
+
             @scope('actions', $row)
             <div class="flex gap-1">
                 <x-mary-button
diff --git a/resources/views/pages/access-manager/roles-and-apps/⚡show.blade.php b/resources/views/pages/access-manager/roles-and-apps/⚡show.blade.php
index d0d7dab..a18b663 100644
--- a/resources/views/pages/access-manager/roles-and-apps/⚡show.blade.php
+++ b/resources/views/pages/access-manager/roles-and-apps/⚡show.blade.php
@@ -1,7 +1,7 @@
 <?php
 
 use App\Concerns\HandlesOperations;
-use App\Data\Role\{AssignAppsToRoleData, RoleAppData};
+use App\Data\Role\{AssignAppsToRoleData, AssignUsersToRoleData, RoleAppData};
 use App\Data\Ui\TableHeader;
 use App\Livewire\Forms\AssignAppToRoleForm;
 use App\Models\Role;
@@ -37,7 +37,8 @@ class extends Component {
 
     public bool $showAddUserModal = false;
 
-    public ?int $selectedUserId = null;
+    /** @var int[] */
+    public array $selectedUserIds = [];
 
     public array $usersSearchable = [];
 
@@ -75,7 +76,6 @@ public function mount(int $id): void
 
         $this->userHeaders = TableHeader::collect([
             new TableHeader(key: 'name', label: 'Name'),
-            new TableHeader(key: 'email', label: 'Email'),
         ], DataCollection::class);
     }
 
@@ -86,14 +86,12 @@ public function apps(): DataCollection
     }
 
     /**
-     * TODO: Replace with a service method that returns user DTOs for this role.
-     *
-     * @return array<int, array<string, mixed>>
+     * Get users assigned to this role via spatie/laravel-permission.
      */
     #[Computed]
-    public function getRoleUsers(): array
+    public function getRoleUsers(): DataCollection
     {
-        return [];
+        return $this->appRoleService->getUsersForRole($this->roleId);
     }
 
 
@@ -208,24 +206,51 @@ public function detachApp(int $assignmentId): void
 
     public function openAddUserModal(): void
     {
-        $this->reset('selectedUserId');
+        $this->reset('selectedUserIds');
         $this->resetErrorBag();
+        $this->searchUsers('');
         $this->showAddUserModal = true;
     }
 
     public function searchUsers(string $value = ''): void
     {
-        $this->usersSearchable = [];
+        $this->usersSearchable = $this
+            ->appRoleService
+            ->searchUsersForSelect($value)
+            ->toArray();
     }
 
     public function assignUser(): void
     {
-        $this->success('User assignment not implemented yet.');
+        $this->validate([
+            'selectedUserIds' => 'required|array|min:1',
+            'selectedUserIds.*' => 'integer|exists:users,id',
+        ]);
+
+        $this->attempt(
+            action: function (): void {
+                $this->appRoleService->assignUsersToRole(new AssignUsersToRoleData(
+                    roleId: $this->roleId,
+                    userIds: $this->selectedUserIds,
+                ));
+
+                $this->reset('selectedUserIds');
+                $this->showAddUserModal = false;
+                unset($this->getRoleUsers);
+            },
+            successMessage: 'Users assigned successfully!',
+        );
     }
 
     public function detachUser(int $userId): void
     {
-        $this->success('User removal not implemented yet.');
+        $this->attempt(
+            action: function () use ($userId): void {
+                $this->appRoleService->detachUserFromRole($this->roleId, $userId);
+                unset($this->getRoleUsers);
+            },
+            successMessage: 'User removed from role.',
+        );
     }
 };
 ?>
@@ -235,7 +260,7 @@ public function detachUser(int $userId): void
         <div>
             <div class="flex items-center gap-3">
                 <x-mary-button
-                    :link="route('access-manager.roles-and-apps')"
+                    :link="route('access-manager.roles-and-apps.index')"
                     wire:navigate
                     icon="lucide.arrow-left"
                     class="btn-sm btn-ghost"
@@ -248,7 +273,7 @@ class="btn-sm btn-ghost"
 
     <div class="flex flex-col md:flex-row gap-6 w-full">
 
-        <x-shared.card title="Connected Apps" icon="heroicon-o-squares-2x2" class="pb-2 w-full h-min">
+        <x-shared.card title="Connected Apps" icon="lucide-blocks" class="pb-2 w-full h-min">
             <x-slot:actions>
                 <x-mary-button wire:click="openAddAppModal" icon="lucide.plus" class="btn-sm">
                     Add App
@@ -292,26 +317,22 @@ class="btn-sm btn-error btn-soft btn-circle"
             @endif
         </x-shared.card>
 
-        <x-shared.card title="Users" icon="heroicon-o-users" class="pb-2 w-full h-min">
+        <x-shared.card title="Users" icon="lucide-users-round" class="pb-2 w-full h-min">
             <x-slot:actions>
                 <x-mary-button wire:click="openAddUserModal" icon="lucide.plus" class="btn-sm">
                     Add User
                 </x-mary-button>
             </x-slot:actions>
 
-            @if (count($this->getRoleUsers))
+            @if ($this->getRoleUsers->count())
                 <x-mary-table
                     :headers="$userHeaders->toArray()"
-                    :rows="$this->getRoleUsers"
+                    :rows="$this->getRoleUsers->toArray()"
                 >
                     @scope('cell_name', $row)
                     <span class="font-medium text-gray-900">{{ $row['name'] }}</span>
                     @endscope
 
-                    @scope('cell_email', $row)
-                    {{ $row['email'] }}
-                    @endscope
-
                     @scope('actions', $row)
                     <x-mary-button
                         icon="lucide.trash"
@@ -396,7 +417,7 @@ class="bg-gray-50 text-gray-500 cursor-not-allowed"
     <x-mary-modal wire:model="showAddUserModal" title="Add User to {{ $roleName }}">
         <x-mary-form wire:submit="assignUser">
             <x-mary-choices
-                wire:model="selectedUserId"
+                wire:model="selectedUserIds"
                 :options="$usersSearchable"
                 search-function="searchUsers"
                 option-label="name"
@@ -404,8 +425,7 @@ class="bg-gray-50 text-gray-500 cursor-not-allowed"
                 no-result-text="No users found."
                 placeholder="Search users..."
                 searchable
-                single
-                label="User"
+                label="Users"
             />
 
             <x-slot:actions>
diff --git a/routes/web.php b/routes/web.php
index fa7acec..9de2dfe 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -10,8 +10,10 @@
     Route::livewire('dashboard', 'pages::dashboard')->name('dashboard');
 
     Route::prefix('access-manager')->name('access-manager.')->group(function (): void {
-        Route::livewire('roles-and-apps', 'pages::access-manager.roles-and-apps.index')->name('roles-and-apps');
-        Route::livewire('roles-and-apps/{id}', 'pages::access-manager.roles-and-apps.show')->name('roles-and-apps.show');
+        Route::prefix('roles-and-apps')->name('roles-and-apps.')->group(function (): void {
+            Route::livewire('roles-and-apps', 'pages::access-manager.roles-and-apps.index')->name('index');
+            Route::livewire('roles-and-apps/{id}', 'pages::access-manager.roles-and-apps.show')->name('show');
+        });
     });
 
     Route::prefix('apps')->name('apps.')->group(function (): void {