Dean Jones
Professeur Albert Dooley
Sandy Duncan
Katie Dooley
Joe Flynn
Finley Hooper
Tony Roberts
Fred Hines
James Gregory
Rutledge
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
Ted Jordan
Mr. Forbes
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)
Vincent McEveety
Director
Robert O. Cook
Sound Supervisor
Roswell Rogers
Screenplay
Ted Key
Story
William E. Snyder
Director of Photography
Robert J. Schiffer
Makeup Artist
Bill Anderson
Producer
John B. Mansbridge
Art Direction
La Rue Matheron
Makeup & Hair
Emile Kuri
Set Decoration
Al Roelofs
Art Direction
John D. Bloss
Production Manager
Hal Gausman
Set Decoration
Emily Sundby
Costume Design
Chuck Keehne
Costume Design
Jack Colconda
Property Master
Buddy Baker
Original Music Composer