cast
- John Wayne
- Big Jim McLain
- Nancy Olson
- Nancy Vallon
- James Arness
- Mal Baxter
- Alan Napier
- Sturak
- Veda Ann Borg
- Madge
- Gayne Whitman
- Dr. Gelster
- Hans Conried
- Robert Henried
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- Hal Baylor
- Poke
- Robert Keys
- Edwin White
- John Hubbard
- Lieutenant Commander Clint Grey
- Paul Hurst
- Mr. Lexiter
- Sarah Padden
- Mrs. Lexter
- Harry Tyler
- Waiter
- Henry Morgan
- Uncredited
- William Forrest
- McLain's Superior
- Peter Whitney
- Truckdriver
- Soo Yong
- Mrs. Nomaka
- Peter Brocco
- Mr. Nash
- Gordon Jones
- Olaf
crew
- Edward Ludwig
- Director
- John Wayne
- Producer
- Robert M. Fellows
- Producer
- Eric Taylor
- Screenwriter
- James Edward Grant
- Screenwriter
- Richard English
- Screenwriter
- Archie J. Stout
- Cinematographer
- Louis Clyde Stoumen
- Cinematographer
- Art Lange
- Composer (Music Score)
- Emil Newman
- Composer (Music Score)
- Paul Dunlap
- Composer (Music Score)
- Jack Murray
- Editor
- Alfred Ybarra
- Art Director
- Charles Thompson
- Set Designer
- T.A. Carman
- Sound/Sound Designer
- Andrew V. McLaglen
- First Assistant Director
- Nate H. Edwards
- Production Manager
- Stephen Vincent Benét
- Short Story Author
- Webb Overlander
- Makeup
