Marian Forbes is de secretaresse, de geliefde en het brein achter het financiële succes van Harris Chapman. De problemen beginnen als Chapman verliefd wordt op een ander meisje en besluit om met haar te trouwen. De wraak van Marian is vreselijk.
Nee, helaas is The 3rd Voice nog niet beschikbaar op Netflix in Nederland.
| Directing | Hubert Cornfield | Director |
| Writing | Hubert Cornfield | Writer |
| Production | Hubert Cornfield | Producer |
| Writing | Charles Williams | Novel |
| Production | Maury Dexter | Producer |
| Sound | Johnny Mandel | Original Music Composer |
| Camera | Ernest Haller | Director of Photography |
| Editing | John A. Bushelman | Editor |
| Art | John B. Mansbridge | Art Direction |
| Art | Mac Mulcahy | Set Decoration |
| Costume & Make-Up | Dick Hamilton | Makeup Artist |
| Costume & Make-Up | Alma Johnson | Hairstylist |
| Production | Harold E. Knox | Production Supervisor |
| Directing | Frank Parmenter | Assistant Director |
| Directing | Willard Kirkham | Assistant Director |
