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 Jennifer Darling Donna Actor Janis Paige Guest Star David Wayne Guest Star Robert Donner Guest Star Gary Imhoff Guest Star Richard Molinare Guest Star Lloyd Alan Guest Star Casey King Guest Star Morgan Kester Guest Star Josie Over Guest Star Victoria Leighton Guest Star Joann Gordon Guest Star Dennis Chun Guest Star Deena Starr Spencer Guest Star Nicole Ericson Guest Star Kelly Palzis Guest Star Chris Needels Guest Star Audrey Meyers Guest Star Harry Harris Director Gil Grant Writer