Alan Young
Wilbur Post (26 eps)
Connie Hines
Carol Post (26 eps)
Larry Keating
Roger Addison (26 eps)
Edna Skinner
Kay Addison (26 eps)
Allan Lane
Mister Ed (voice) (26 eps)
Milton Frome
Barney Harris (1 eps)
Larry Merrill
Buzz Dixon (1 eps)