Helped by socialite Janice Kendon and barkeeper Scott O'Brien, Arizona deputy sheriff Les Martin works to solve three brutal murders in and around the Grand Canyon. His efforts leads to the killer fleeing with Janice as a hostage and a chase by car and helicopter lead to a climax on a miner's bucket on cables a mile above the canyon floor.
| Writing | Richard Collins | Screenplay |
| Writing | Ben Markson | Story |
| Writing | Knut Swenson | Screenplay |
| Directing | Don Siegel | Director |
| Writing | Knut Swenson | Story |
| Camera | Burnett Guffey | Director of Photography |
| Art | Frank Tuttle | Set Decoration |
| Production | Don Siegel | Associate Producer |
| Production | Kendrick Sweet | Producer |
| Art | Robert Peterson | Art Direction |
| Sound | Daniele Amfitheatrof | Original Music Composer |
| Editing | Jerome Thoms | Editor |
| Lighting | Seldon White | Gaffer |
| Sound | Harold Lee | Sound Recordist |
| Camera | Andrew J. McIntyre | Camera Operator |
