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 Michael Thoma Dr. Greg Maxwell Actor Jennifer Darling Donna Actor Katherine Woodville Guest Star Renny Temple Guest Star Julia Duffy Guest Star Karen Belge Guest Star Ken Smolka Guest Star Arnold Laven Director Steven Hensley Writer J. Miyoko Hensley Writer