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 Ricky Allen Guest Star Les Brown Jr. Guest Star Celeste Yarnall Guest Star Bob Foulk Guest Star Peter Brooks Guest Star Olive Dunbar Guest Star Debbie Megowan Guest Star Frank Killmond Guest Star Templeton Fox Guest Star Werner Klemperer Guest Star Tim Matheson Guest Star Mike Minor Guest Star Penney Parker Guest Star Diana Piper Guest Star Skip Torgerson Guest Star Don Fedderson Executive Producer