Fred MacMurray Steve Douglas Actor Don Grady Robbie Douglas Actor Stanley Livingston Chip Douglas Actor William Demarest Uncle Charlie O'Casey Actor Barry Livingston Ernie Douglas Actor Tina Cole Katie Miller Douglas Actor Kay Cole Guest Star Warren Hammack Guest Star Jane Zachary Guest Star Kevin Burchett Guest Star Barbara Boles Guest Star Kevin Brodie Guest Star Ila Briton Guest Star John Craig Guest Star Joan Tompkins Guest Star Diane Mountford Guest Star Oliver McGowan Guest Star Dana Dillaway Guest Star Barbara Collentine Guest Star Kathryn Givney Guest Star Edmund L. Hartmann Producer Don Fedderson Executive Producer Frederick De Cordova Director