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.
Unfortunately the movie Edge of Eternity is not yet available on HBO Max.
| Writing | Ben Markson | Story |
| Writing | Knut Swenson | Story |
| Writing | Knut Swenson | Screenplay |
| Writing | Richard Collins | Screenplay |
| Directing | Don Siegel | Director |
| Sound | Daniele Amfitheatrof | Original Music Composer |
| Camera | Burnett Guffey | Director of Photography |
| Editing | Jerome Thoms | Editor |
| Art | Robert Peterson | Art Direction |
| Art | Frank Tuttle | Set Decoration |
| Production | Kendrick Sweet | Producer |
| Production | Don Siegel | Associate Producer |
| Lighting | Seldon White | Gaffer |
| Camera | Andrew J. McIntyre | Camera Operator |
| Sound | Harold Lee | Sound Recordist |
