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 Jennifer Darling Donna Actor Michael Thoma Dr. Greg Maxwell Guest Star John Crawford Guest Star Michael Sullivan Guest Star James Karen Guest Star Mark Harrison Guest Star Dick Christie Guest Star Bernard McEveety Director J. Miyoko Hensley Writer Steven Hensley Writer