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 Cynthia Pepper Guest Star Ricky Allen Guest Star Cheryl Guest Star Marjorie Eaton Guest Star Robert P. Lieb Guest Star Debbie Megowan Guest Star Russell Duke Guest Star Peter Brooks Guest Star Ronnie Sorensen Guest Star Mack Williams Guest Star Florence MacMichael Guest Star Beau Bridges Guest Star Harlan Warde Guest Star Paul Engle Guest Star Judy Charbonneau Guest Star Don Fedderson Executive Producer David Duncan Writer A.J. Carothers Writer Paul West Writer George Tibbles Writer Robert Bassing Writer Arthur B. Friedman Writer Theodore Ferro Writer Arthur Dales Writer James Allardice Writer Peter Tewksbury Director, Writer Dorothy Cooper Foote Writer Arnold Peyser Writer Mathilde Ferro Writer James Menzies Writer John McGreevey Writer James Leighton Writer Lois Peyser Writer Arthur Kober Writer