Eight people are invited by an unsigned telegram to a penthouse apartment, where they find themselves locked in and greeted by their unknown host's voice via the radio, who explains that before the night is over each one will be die unless they manage to outwit the ninth guest, Death.
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| Directing | Roy William Neill | Director |
| Writing | Gwen Bristow | Novel |
| Writing | Bruce Manning | Novel |
| Writing | Owen Davis | Theatre Play |
| Writing | Owen Davis | Writer |
| Writing | Garnett Weston | Screenplay |
| Camera | Benjamin H. Kline | Director of Photography |
| Editing | Gene Milford | Editor |
| Production | Robert North | Production Supervisor |
| Directing | Arthur S. Black Jr. | Assistant Director |
| Sound | George Cooper | Sound Engineer |
| Sound | Louis Silvers | Music Director |
