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 Beverly Garland Barbara Harper Douglas Actor Dawn Lyn Dodi Harper Douglas Actor Ronne Troup Polly Williams Douglas Actor John Gallaudet Guest Star Ann Marshall Guest Star Norman Alden Guest Star Carleton Young Guest Star Jodie Foster Guest Star Ann Doran Guest Star Doris Singleton Guest Star Natividad Vacio Guest Star Virginia Lee Guest Star Bobby Diamond Guest Star Victoria Paige Meyerink Guest Star Edmund L. Hartmann Producer Frederick De Cordova Director Doug Tibbles Writer George Tibbles Writer Paul West Writer Lois Hire Writer Dennis Whitcomb Writer