Dean Jones
Professeur Albert Dooley
Lee Montgomery
Jimmy Dooley
Jack Kruschen
Doctor Gottlieb
Virginia Vincent
Eunice Hooper
Arthur Hunnicutt
Mr. Purdham
Frank Wilcox
Mr. Meaker, the Bank Manager
George O'Hanlon
Parking Attendant
Jonathan Daly
Carter - Purchasing Agent
Hal Smith
Courthouse Guard
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)