Himself
Mr. Martin
Mr. Whitby
Professor Benson
Professor Roy Hinkley, Jr.
Admiral King
Charles Montague
Captain J.W. Shaw
Intelligence Officer at Briefing (uncredited)
The Foreman
Dr. Frank Franklin
Alex Langley
Jim Hawley
Cliff Thomas
Sundance
Joe Gamble
Ben Farraday
Jigger
Hank Chapman
Steve Carlson
Shadduck
Eddie Nelson
Howard Sloane
Emory
Jed Ringer
Lam Blandon
Greiner
Corp. Biddle
Jimmy Johnson
Lieutenant Hamilton
Johnny Redondo - Smuggler
Charlie Thompson
Chuck-A-Luck Wheel Spinner (uncredited)
Ky Walker
