Index: wp-admin/includes/class-wp-users-list-table.php
===================================================================
--- wp-admin/includes/class-wp-users-list-table.php	(revision 17907)
+++ wp-admin/includes/class-wp-users-list-table.php	(working copy)
@@ -193,9 +193,13 @@
 		$style = '';
 		foreach ( $this->items as $userid => $user_object ) {
 			$role = reset( $user_object->roles );
+			if ( is_multisite() ) {
+				$capabilities = get_user_meta( $userid, $user_object->cap_key, true );
+				$role = reset( $capabilities );
 
-			if ( is_multisite() && empty( $role ) )
-				continue;
+				if ( empty( $role ) )
+					continue;
+			}
 
 			$style = ( ' class="alternate"' == $style ) ? '' : ' class="alternate"';
 			echo "\n\t", $this->single_row( $user_object, $style, $role, isset( $post_counts ) ? $post_counts[ $userid ] : 0 );