Dick Van Patten Tom Bradford Actor Betty Buckley Sandra Sue Abbott "Abby" Bradford Actor Adam Rich Nicholas Bradford Actor Willie Aames Tommy Bradford Actor Connie Needham Elizabeth Bradford Actor Dianne Kay Nancy Bradford Actor Susan Richardson Susan Bradford Stockwell Actor Laurie Walters Joannie Bradford Actor Lani O'Grady Mary Bradford Actor Grant Goodeve David Bradford Actor Brian Patrick Clarke Merle "The Pearl" Stockwell Actor Ralph Macchio Jeremy Andretti Actor David Landsberg Guest Star Ralph Strait Guest Star Darrell Larson Guest Star William Phipps Guest Star Joshua Bryant Guest Star Helen Verbit Guest Star Sands Hal Guest Star Mickey Cherney Guest Star Zachary Spoon Guest Star John Kirby Guest Star Barry Bartle Guest Star Lucas Dudley Guest Star Stacy Sipes Guest Star Esa Lewis Guest Star Jack Bender Director Stephanie Garman Writer Hollace White Writer