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
James Gavin
Sgt. Drucker
Dick Wessel
Louis the Louse (as Richard Wessel)
Robert Ellenstein
Ben
Stanley Adams
Dan Shelby (voice) (uncredited)
Don Anderson
Television Technician in Booth (uncredited)
Gene Coogan
Man (uncredited)
Michael Dugan
First Engineer (uncredited)
Meurisse Duree
Dancer (uncredited)
Franklyn Farnum
Television Technician in Booth (uncredited)
Jack Kruschen
Taxi Driver (uncredited)
Rex Lease
Stage Manager (uncredited)
Carey Leverette
Dancer (uncredited)
Owen McGiveney
Stage Doorman (uncredited)
Frank Mitchell
Mr. Olson (uncredited)
Ray Pourchot
Police Officer (uncredited)
William Smith
Actor Who Trips Over Camera (uncredited)
Guy Stockwell
Actor (voice) (uncredited)
Harlan Warde
Dr. Bradley (uncredited)
Adrienne Fazan
Editor
George Marshall
Director
George Wells
Screenplay
Paul Vogel
Director of Photography
Lawrence Weingarten
Producer
Jeff Alexander
Original Music Composer
Alec Coppel
Novel
George W. Davis
Art Direction
Paul Groesse
Art Direction
Henry Grace
Set Decoration
Robert Priestley
Set Decoration
Helen Rose
Costume Design
Sydney Guilaroff
Hairstylist
John Truwe
Makeup Artist
William Tuttle
Makeup Artist
Erich von Stroheim Jr.
Assistant Director
Van Allen James
Sound Editor
Robert R. Hoag
Special Effects
Harvey Parry
Stunts