Tony Randall
— Mortimer Brewster
Boris Karloff
— Jonathan Brewster
Dorothy Stickney
— Abby Brewster
Mildred Natwick
— Martha Brewster
Tom Bosley
— Teddy Brewster
Jiří Voskovec
— Dr. Herman Einstein
Farrell Pelly
— Rev. Dr. Harper
Dort Clark
— Officer Brophy
Nathaniel Frey
— Officer Klein
Dodie Heath
— Elaine Harper
Alan MacAteer
— Mr. Gibbs
Ralph Dunn
— Lt. Rooney
Edward F. Cullen
— Mr. Witherspoon