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 Joan Prather Janet Bradford Actor Brian Patrick Clarke Merle "The Pearl" Stockwell Actor Micheal Goodrow Ernie Fields Actor Markie Post Guest Star Grant Wilson Guest Star K.C. Martel Guest Star Michele Greene Guest Star Kimberly Woodward Guest Star Kathryn Finley Guest Star Enid Kent Guest Star Jack Bender Director Nick Thiel Writer David Braff Writer