- William H. Wrightscreenplay &
- Allan Weissscreenplay &
- Harry Essexscreenplay
Rest of cast listed alphabetically
- Glen Anderson(uncredited)
- Harvey Grant(uncredited)
- Loren Janes(uncredited)
- Chuck Roberson(uncredited)
- Ralph Volkie(uncredited)
- Paul Whitson(uncredited)
- Jack Williams(uncredited)
- Henry Wills(uncredited)
- Joe Yrigoyen(uncredited)
- Joseph H. Hazenexecutive producer (uncredited)
- Paul Nathanassociate producer
- Hal B. Wallisproducer
- Lucien Ballarddirector of photography
- Walter H. Tylerart director (as Walter Tyler)
- Edith Headcostume designer (costumes)
- Loren Cosandmakeup artist (as Loren Cossand)
- Web Overlandermakeup artist (as Webb Overlander)
- Dorothy Whitehair stylist
- William W. Grayunit production manager
- Michael D. Mooreassistant director (as D. Michael Moore)
- Joselito Rodríguezsecond unit director (uncredited)
- Craig BinkleyOn-Set Dresser / set dresser (uncredited)
- Charles Grenzbachsound recordist
- Harold Lewissound recordist
- Bill Wistromsound editor (uncredited)
- Abel Contrerasspecial effects assistant (uncredited)
- Bill Babcockstunts (uncredited)
- Jerry Gatlinstunt double Earl Holliman (uncredited) / stunts (uncredited)
- Chuck Haywardstunts (uncredited)
- Loren Janesstunt double Michael Anderson (uncredited) / stunts (uncredited)
- Boyd 'Red' Morganstunts (uncredited)
- Dinny Powellstunts (uncredited)
- Chuck Robersonstunt double John Wayne and George Kennedy (uncredited) / stunts (uncredited)
- Jack Williamsstunts (uncredited)
- Henry Willsstunt double: Dean Martin (uncredited) / stunts (uncredited)
- Joe Yrigoyenstunts (uncredited)
- John R. Hamiltonstill photographer (uncredited)
- Warren Loweditorial supervisor
- Dale Andersonmusician: percussion (uncredited)
- Israel Bakermusician: violin (uncredited)
- Arnold Belnickmusician: violin (uncredited)
- Vince De Rosamusician: french horn (uncredited)
- Bonnie Jean Douglasmusician: violin (uncredited)
- Carl Fortinamusician: accordion (uncredited)
- James Getzoffmusician: violin (uncredited)
- Jack Hayesorchestrator (uncredited)
- The Hollywood Studio Symphonymusic performed by (uncredited)
- Myra Kestenbaummusician: viola (uncredited)
- 'Chema' Hernandezhead wrangler: Mexico (uncredited)
Crew believed to be complete
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