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)
Norma Varden
Mrs. Davis (1 eps)
Ralph Sanford
Policeman (1 eps)
Karen Norris
Second Mother (1 eps)
Reva Rose
Sandy Crane (1 eps)
John Eldredge
Steward (1 eps)
Ben Welden
First Man (1 eps)