 | Fernando Lamas als Rio Galdez |
 | Rhonda Fleming als Alice Parker |
 | Brian Keith als Tony |
 | Pascual García Peña als Sylvester, Rio's aide |
 | Morgan Farley als Vinny |
 | Rita Moreno als Maroa |
 | Richard Denning als Jerry Russell |
 | Marvin Miller als Jivaro Chief Kovanti |
 | Lon Chaney Jr. als Pedro Martines |
 | Charles Lung als The Padre |
 | Kay Johnson als Umari |
 | Gregg Barton als Edwards |
 | Nestor Paiva als Jacques |
| Edward Ludwig | Director |
| Loren L. Ryder | Sound Supervisor |
| George Dutton | Sound Mixer |
| David Duncan | Story |
| Winston Miller | Writer |
| Lionel Lindon | Director of Photography |
| Richard Mueller | Color Designer |
| Hal Pereira | Art Direction |
| A. Earl Hedrick | Art Direction |
| Howard A. Smith | Editor |
| W. Wallace Kelley | Second Unit Director of Photography |
| John P. Fulton | Visual Effects |
| Farciot Edouart | Visual Effects |
| Sam Comer | Set Decoration |
| Grace Gregory | Set Decoration |
| William McGarry | Assistant Director |
| Gregory Stone | Original Music Composer |
| Edith Head | Costume Design |
| Wally Westmore | Makeup Supervisor |
| Harold Lewis | Sound Recordist |
| Gene Garvin | Sound Recordist |
| William H. Pine | Producer |
| William C. Thomas | Producer |
