Glenn Ford

Elliott Nash

Debbie Reynolds

Nell Nash

John McGiver

Sam Thorpe

Doro Merande

Matilda

Mabel Albertson

Mrs. Chandler

Carl Reiner

Harlow Edison

Bert Freed

Lt. Jenkins

Martin Landau

The Duke

Helen Kleeb

Miss Spence, Nash's Secretary

Jon Lormer

Dr. Weiner

Dick Wessel

Louis the Louse (as Richard Wessel)

Robert Ellenstein

Ben

Stanley Adams

Dan Shelby (voice) (uncredited)

Gene Coogan

Man (uncredited)

Franklyn Farnum

Television Technician in Booth (uncredited)

Jack Kruschen

Taxi Driver (uncredited)

Rex Lease

Stage Manager (uncredited)

Frank Mitchell

Mr. Olson (uncredited)

William Smith

Actor Who Trips Over Camera (uncredited)

Guy Stockwell

Actor (voice) (uncredited)

Harlan Warde

Dr. Bradley (uncredited)