Directed by
| Delbert Mann | ||
Writing Credits
| Charles Williams | ... | (screenplay by) |
| Alan Williams | ... | (based on the novel "Snake Water" by) |
Cast (in credits order) verified as complete
| James Garner | ... | Ben Morris | |
| Eva Renzi | ... | Alison Duquesne | |
| George Kennedy | ... | Ryderbeit | |
| Nigel Green | ... | Crowley | |
| Michael Ansara | ... | Ortega | |
| George Rose | ... | Stopes | |
| Fabrizio Mioni | ... | Celaya | |
| Vincent Beck | ... | Sanchez | |
| Val Avery | ... | Rodriguez | |
| Robert Carricart | ... | Benavides | |
| Natividad Vacío | ... | Figueroa (as Natividad Vacio) | |
| Rest of cast listed alphabetically: | |||
 |
Pepe Callahan | ... | Hoodlum (uncredited) |
| Nacho Galindo | ... | Hotel Proprietor (uncredited) | |
|
|
Pepito Galindo | ... | Bellboy (uncredited) |
|
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Darlene Grey | ... | Dancer (uncredited) |
| Victor Millan | ... | Helicopter Pilot (uncredited) | |
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Than Wyenn | ... | Customs Agent (uncredited) |
Produced by
| James Garner | ... | executive producer (uncredited) |
| Stan Margulies | ... | producer (produced by) |
Music by
| Ernie Freeman | ||
Cinematography by
| Russell Metty | ... | director of photography |
Editing by
| William B. Murphy | ||
Art Direction by
| Alexander Golitzen | ||
| Alfred Ybarra | ||
Set Decoration by
| John McCarthy Jr. | ||
| James Redd | ||
Costume Design by
| Edith Head | ||
Makeup Department
| Larry Germain | ... | hair stylist |
| Bud Westmore | ... | makeup artist |
Production Management
| Ernest B. Wehmeyer | ... | unit production manager |
Second Unit Director or Assistant Director
| Phil Bowles | ... | assistant director |
| Ted Swanson | ... | assistant director |
Sound Department
| William Russell | ... | sound |
| Waldon O. Watson | ... | sound |
Stunts
| John Daheim | ... | stunt coordinator |
| Roydon Clark | ... | stunts (uncredited) |
| George Orrison | ... | stunts (uncredited) |
| Bob Terhune | ... | stunts (uncredited) |
Camera and Electrical Department
| Herb Roberts | ... | first assistant camera (uncredited) |
Music Department
| Joseph Gershenson | ... | music supervisor |
Additional Crew
| Harold Belfer | ... | choreographer (as Hal Belfer) |
| Dominic Santarone | ... | caterer (uncredited) |
| Ruth Santarone | ... | caterer (uncredited) |
