Dean Jones
Professeur Albert Dooley
Sandy Duncan
Katie Dooley
Joe Flynn
Finley Hooper
Tony Roberts
Fred Hines
Lee Montgomery
Jimmy Dooley
Jack Kruschen
Doctor Gottlieb
Virginia Vincent
Eunice Hooper
Jack Bender
Arvin Wadlow
Billy Bowles
Orlo Wadlow
Sammy Jackson
Frisby
Arthur Hunnicutt
Mr. Purdham
Frank Wilcox
Mr. Meaker, the Bank Manager
Bryan O'Byrne
Bank Teller
Bing Russell
Mr. Smith
Peter Renaday
Mr. Beckert
Frank Cady
Assayer
George O'Hanlon
Parking Attendant
Jonathan Daly
Carter - Purchasing Agent
Hal Smith
Courthouse Guard
Edward Andrews
Morgan
Howard Culver
Morgan's Assistant (uncredited)
Maurice Dallimore
Englishman (uncredited)
Bernard Fox
Car Salesman (uncredited)
Arthur Franz
Prosecutor (uncredited)
Jerry Fujikawa
Japanese Official (uncredited)
Jonathan Hole
Refinery Agent (uncredited)
Hank Jones
Commencement Speaker (uncredited)
Jack Perkins
Agitated Driver #2 (uncredited)
Roy Roberts
The Judge (uncredited)
Fran Ryan
Mrs. Purdham (uncredited)
Jeffrey Sayre
Man in Refinery Office (uncredited)
Robert Shayne
Refinery Executive (uncredited)
Vaughn Taylor
Bank President (uncredited)
Bruno VeSota
Russian (uncredited)
Ted Jordan
Mr. Forbes
James Gregory
Rutledge
Vincent McEveety
Director
Robert O. Cook
Sound Supervisor
Roswell Rogers
Screenplay
Ted Key
Story
William E. Snyder
Director of Photography
Bill Anderson
Producer
Buddy Baker
Music
John B. Mansbridge
Art Direction
Al Roelofs
Art Direction
Hal Gausman
Set Decoration
Emile Kuri
Set Decoration
Chuck Keehne
Costume Design
Emily Sundby
Costume Design
La Rue Matheron
Makeup & Hair
Robert J. Schiffer
Makeup Artist
John D. Bloss
Production Manager
Jack Colconda
Property Master