Index: bp-core/admin/bp-core-functions.php
===================================================================
--- bp-core/admin/bp-core-functions.php
+++ bp-core/admin/bp-core-functions.php
@@ -825,3 +825,100 @@
 
 	bp_core_install_signups();
 }
+
+/**
+ * Add "Mark as Spam/Ham" button to user row actions.
+ *
+ * @since BuddyPress (1.9.0)
+ *
+ * @param array $actions User row action links.
+ * @param object $user_object Current user information.
+ * @return array $actions User row action links.
+ */
+function bp_core_admin_user_row_actions( $actions, $user_object ) {
+
+	if ( current_user_can( 'edit_user', $user_object->ID ) && bp_loggedin_user_id() != $user_object->ID ) {
+
+		$url = bp_get_admin_url( 'users.php' );
+
+		if ( bp_is_user_spammer( $user_object->ID ) ) {
+			$actions['ham'] = "<a href='" . wp_nonce_url( $url . "?action=ham&amp;user=$user_object->ID", 'bp-spam-user' ) . "'>" . __( 'Not Spam' ) . "</a>";
+		} else {
+			$actions['spam'] = "<a class='submitdelete' href='" . wp_nonce_url( $url . "?action=spam&amp;user=$user_object->ID", 'bp-spam-user' ) . "'>" . __( 'Mark as Spam' ) . "</a>";
+		}
+	}
+
+	return $actions;
+}
+
+/**
+ * Catch requests to mark individual users as spam/ham from users.php.
+ *
+ * @since BuddyPress (1.9.0)
+ */
+function bp_core_admin_user_manage_spammers() {
+
+	// Print our inline scripts on non-Multisite
+	add_action( 'admin_footer', 'bp_core_admin_user_spammed_js' );
+
+	$action  = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : false;
+	$updated = isset( $_REQUEST['updated'] ) ? $_REQUEST['updated'] : false;
+	$mode    = isset( $_POST['mode'] ) ? $_POST['mode'] : false;
+
+	// if this is a multisite, bulk request, stop now!
+	if ( 'list' == $mode ) {
+		return;
+	}
+
+	// Process a spam/ham request
+	if ( ! empty( $action ) && in_array( $action, array( 'spam', 'ham' ) ) ) {
+
+		check_admin_referer( 'bp-spam-user' );
+
+		$user_id = ! empty( $_REQUEST['user'] ) ? intval( $_REQUEST['user'] ) : false;
+
+		if ( empty( $user_id ) ) {
+			return;
+		}
+
+		$redirect = wp_get_referer();
+
+		$status = ( $action == 'spam' ) ? 'spam' : 'ham';
+
+		// Process the user
+		bp_core_process_spammer_status( $user_id, $status );
+
+		$redirect = add_query_arg( array( 'updated' => 'marked-' . $status ), $redirect);
+
+		wp_redirect( $redirect );
+	}
+
+	// Display feedback
+	if ( ! empty( $updated ) && in_array( $updated, array( 'marked-spam', 'marked-ham' ) ) ) {
+
+		if ( 'marked-spam' === $updated ) {
+			$notice = __( 'User marked as spammer. Spam users are visible only to site admins.', 'buddypress' );
+		} else {
+			$notice = __( 'User removed from spam.', 'buddypress' );
+		}
+
+		bp_core_add_admin_notice( $notice );
+	}
+}
+
+/**
+ * Inline script that adds the 'site-spammed' class to spammed users.
+ *
+ * @since BuddyPress (1.9.0)
+ */
+function bp_core_admin_user_spammed_js() {
+	?>
+	<script type="text/javascript">
+		jQuery( document ).ready( function($) {
+			$( '.row-actions .ham' ).each( function() {
+				$( this ).closest( 'tr' ).addClass( 'site-spammed' );
+			});
+		});
+	</script>
+	<?php
+}
Index: bp-core/bp-core-admin.php
===================================================================
--- bp-core/bp-core-admin.php
+++ bp-core/bp-core-admin.php
@@ -161,11 +161,18 @@
 		add_action( 'tool_box', 'bp_core_admin_available_tools_intro' );
 		add_action( 'bp_network_tool_box', 'bp_core_admin_available_tools_intro' );
 
+		// On non-multisite, catch
+		add_action( 'load-users.php', 'bp_core_admin_user_manage_spammers' );
+
 		/** Filters ***********************************************************/
 
 		// Add link to settings page
 		add_filter( 'plugin_action_links',               array( $this, 'modify_plugin_action_links' ), 10, 2 );
 		add_filter( 'network_admin_plugin_action_links', array( $this, 'modify_plugin_action_links' ), 10, 2 );
+
+		// Add "Mark as Spam" row actions on users.php
+		add_filter( 'ms_user_row_actions', 'bp_core_admin_user_row_actions', 10, 2 );
+		add_filter( 'user_row_actions',    'bp_core_admin_user_row_actions', 10, 2 );
 	}
 
 	/**
Index: bp-members/bp-members-functions.php
===================================================================
--- bp-members/bp-members-functions.php
+++ bp-members/bp-members-functions.php
@@ -601,8 +601,13 @@
  *
  * @param int $user_id The ID of the user being spammed/hammed.
  * @param string $status 'spam' if being marked as spam, 'ham' otherwise.
+ * @param bool $do_wp_cleanup True to force the cleanup of WordPress content
+ *        and status, otherwise false. Generally, this should only be false if
+ *        WordPress is expected to have performed this cleanup independently,
+ *        as when hooked to 'make_spam_user'.
+ * @return bool True on success, false on failure.
  */
-function bp_core_process_spammer_status( $user_id, $status ) {
+function bp_core_process_spammer_status( $user_id, $status, $do_wp_cleanup = true ) {
 	global $wpdb;
 
 	// Bail if no user ID
@@ -631,7 +636,7 @@
 	}
 
 	// When marking as spam in the Dashboard, these actions are handled by WordPress
-	if ( ! $is_admin ) {
+	if ( $do_wp_cleanup ) {
 
 		// Get the blogs for the user
 		$blogs = get_blogs_of_user( $user_id, true );
@@ -689,7 +694,7 @@
  * @param int $user_id The user id passed from the make_spam_user hook
  */
 function bp_core_mark_user_spam_admin( $user_id ) {
-	bp_core_process_spammer_status( $user_id, 'spam' );
+	bp_core_process_spammer_status( $user_id, 'spam', false );
 }
 add_action( 'make_spam_user', 'bp_core_mark_user_spam_admin' );
 
@@ -701,7 +706,7 @@
  * @param int $user_id The user id passed from the make_ham_user hook
  */
 function bp_core_mark_user_ham_admin( $user_id ) {
-	bp_core_process_spammer_status( $user_id, 'ham' );
+	bp_core_process_spammer_status( $user_id, 'ham', false );
 }
 add_action( 'make_ham_user', 'bp_core_mark_user_ham_admin' );