Fred MacMurray Steve Douglas Actor Tim Considine Mike Douglas Actor Don Grady Robbie Douglas Actor Stanley Livingston Chip Douglas Actor William Frawley Michael Francis "Bub" O'Casey Actor Peter Brooks Guest Star Skip Torgerson Guest Star Andrew Colmar Guest Star Allen Breneman Guest Star Robert Dunlap Guest Star Richard Bellis Guest Star Dick Adrissi Guest Star Sandra Downs Guest Star Don Fedderson Executive Producer Robert O'Brien Writer Richard Whorf Director