A young mechanical genius invents a recording device that can play back the voices of the dead. Here, the voice is that of the genius's evil-dead grandmother. A woman whose malign influence scarred her own children for life and corrupted the innocence of her grandchildren.
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| Directing | Arch Oboler | Director |
| Writing | Arch Oboler | Writer |
| Production | Jerry Fairbanks | Producer |
| Production | Arch Oboler | Producer |
| Crew | John J. Mescall | Cinematography |
| Editing | Milt Kleinberg | Editor |
| Art | Theobold Holsopple | Art Direction |
| Art | Patrick Delany | Set Decoration |
| Production | John McKennon | Production Manager |
| Directing | Bob Scrivner | Assistant Director |
| Lighting | Grant Spicer | Lighting Technician |
| Crew | Geraldine Klancke | Editorial Staff |
| Art | Marvin Grayson | Title Designer |
| Production | Wally Rhea | Production Consultant |
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