Index: theme/standard/styles_fonts.css
===================================================================
RCS file: /cvsroot/moodle/moodle/theme/standard/styles_fonts.css,v
retrieving revision 1.140
diff -u -r1.140 styles_fonts.css
--- theme/standard/styles_fonts.css	9 Oct 2007 16:56:00 -0000	1.140
+++ theme/standard/styles_fonts.css	16 Oct 2007 14:15:49 -0000
@@ -251,6 +251,7 @@
 }
 
 #admin-roles-override .cell.c1,
+#admin-roles-assign .cell.c3,
 #admin-roles-assign .cell.c1 {
   font-size: 0.7em;
 }
Index: theme/standard/styles_layout.css
===================================================================
RCS file: /cvsroot/moodle/moodle/theme/standard/styles_layout.css,v
retrieving revision 1.516.2.2
diff -u -r1.516.2.2 styles_layout.css
--- theme/standard/styles_layout.css	12 Oct 2007 08:50:00 -0000	1.516.2.2
+++ theme/standard/styles_layout.css	16 Oct 2007 14:15:50 -0000
@@ -992,6 +992,7 @@
 }
 
 #admin-roles-override .cell.c1,
+#admin-roles-assign .cell.c3,
 #admin-roles-assign .cell.c1 {
   padding-top: 0.75em;
 }
Index: admin/roles/assign.php
===================================================================
RCS file: /cvsroot/moodle/moodle/admin/roles/assign.php,v
retrieving revision 1.63
diff -u -r1.63 assign.php
--- admin/roles/assign.php	9 Oct 2007 12:49:57 -0000	1.63
+++ admin/roles/assign.php	16 Oct 2007 14:15:49 -0000
@@ -6,6 +6,7 @@
     require_once($CFG->libdir.'/adminlib.php');
 
     define("MAX_USERS_PER_PAGE", 5000);
+    define("MAX_USERS_TO_LIST_PER_ROLE", 10);
 
     $contextid      = required_param('contextid',PARAM_INT); // context id
     $roleid         = optional_param('roleid', 0, PARAM_INT); // required role id
@@ -417,14 +418,25 @@
         $table->cellpadding = 5;
         $table->cellspacing = 0;
         $table->width = '60%';
-        $table->head = array(get_string('roles', 'role'), get_string('description'), get_string('users'));
-        $table->wrap = array('nowrap', '', 'nowrap');
-        $table->align = array('right', 'left', 'center');
+        $table->head = array(get_string('roles', 'role'), get_string('description'), get_string('users'), '');
+        $table->wrap = array('nowrap', '', 'nowrap', 'nowrap');
+        $table->align = array('right', 'left', 'center', 'left');
 
         foreach ($assignableroles as $roleid => $rolename) {
             $countusers = count_role_users($roleid, $context);
+            $strroleusers = '';
+            if (0 < $countusers && $countusers <= MAX_USERS_TO_LIST_PER_ROLE) {
+                $roleusers = get_role_users($roleid, $context, false, 'u.id, u.lastname, u.firstname');
+                if (!empty($roleusers)) {
+                    $strroleusers = array();
+                    foreach ($roleusers as $user) {
+                        $strroleusers[] = fullname($user);
+                    }
+                    $strroleusers = implode('<br />', $strroleusers);
+                }
+            }
             $description = format_string(get_field('role', 'description', 'id', $roleid));
-            $table->data[] = array('<a href="'.$baseurl.'&amp;roleid='.$roleid.'">'.$rolename.'</a>',$description, $countusers);
+            $table->data[] = array('<a href="'.$baseurl.'&amp;roleid='.$roleid.'">'.$rolename.'</a>',$description, $countusers, $strroleusers);
         }
 
         print_table($table);