David Mallory is de uitvinder van een feilloos inbraakalarm, maar wordt door een dievenbende gekidnapt en gedwongen inbraken te plegen. Hij is immers de enige die de geheime codes van de sloten kent.
Nee, helaas is Night Key nog niet beschikbaar op Netflix in Nederland.
| Directing | Lloyd Corrigan | Director |
| Production | Robert Presnell Sr. | Producer |
| Camera | George Robinson | Director of Photography |
| Costume & Make-Up | Jack Pierce | Makeup Artist |
| Writing | Jack Moffitt | Screenplay |
| Writing | Tristram Tupper | Screenplay |
| Writing | William A. Pierce | Story |
| Art | Loren Patrick | Art Direction |
| Crew | John P. Fulton | Special Effects |
| Editing | Otis Garrett | Editor |
| Art | Jack Otterson | Art Direction |
| Sound | Jesse Bastian | Sound |
| Sound | Jess Moulin | Sound |
| Sound | Gilbert Kurland | Sound Supervisor |
| Visual Effects | John P. Fulton | Visual Effects |
| Sound | Karl Hajos | Music |
| Sound | Charles Maxwell | Music |
| Sound | Arthur Morton | Music |
| Sound | Charles Previn | Music |
| Sound | David Raskin | Music |
| Sound | Heinz Roemheld | Music |
| Sound | Clifford Vaughan | Music |
| Sound | Edward Ward | Music |
| Sound | Franz Waxman | Music |
