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 Ralph Macchio Jeremy Andretti Actor Vernee Watson Guest Star K.C. Martel Guest Star Eleanor McCoy Guest Star Paul Sorensen Guest Star Vernon Weddle Guest Star Gordon Haight Guest Star Read Morgan Guest Star Verda Bridges Guest Star Mary Helen Barro Guest Star Shannon Presby Guest Star Marc Levine Guest Star Ken Tynes Guest Star Bernard McEveety Director Channing Gibson Writer