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.
| Crew | John P. Fulton | Special Effects |
| Writing | Jack Moffitt | Screenplay |
| Writing | Tristram Tupper | Screenplay |
| Costume & Make-Up | Jack Pierce | Makeup Artist |
| Writing | William A. Pierce | Story |
| Production | Robert Presnell Sr. | Producer |
| Camera | George Robinson | Director of Photography |
| Directing | Lloyd Corrigan | Director |
| Sound | Arthur Morton | Music |
| Sound | Karl Hajos | Music |
| Sound | David Raskin | Music |
| Visual Effects | John P. Fulton | Visual Effects |
| Sound | Edward Ward | Music |
| Sound | Jesse Bastian | Sound |
| Sound | Gilbert Kurland | Sound Supervisor |
| Sound | Charles Maxwell | Music |
| Art | Jack Otterson | Art Direction |
| Sound | Clifford Vaughan | Music |
| Editing | Otis Garrett | Editor |
| Sound | Charles Previn | Music |
| Sound | Jess Moulin | Sound |
| Sound | Heinz Roemheld | Music |
| Sound | Franz Waxman | Music |
| Art | Loren Patrick | Art Direction |
