A playboy produces an airtight alibi when he is questioned about the murder of his wealthy aunt.
Is The Fatal Witness on Netflix? Unfortunately the movie The Fatal Witness is not yet available on Netflix.
| Directing | Lesley Selander | Director |
| Writing | Jerry Sackheim | Screenplay |
| Writing | Cleve F. Adams | Adaptation |
| Writing | Rupert Croft-Cooke | Story |
| Production | Rudolph E. Abel | Associate Producer |
| Production | Armand Schaefer | Producer |
| Crew | Bud Thackery | Cinematography |
| Editing | Ralph Dixon | Editor |
| Art | Gano Chittenden | Art Direction |
| Art | Russell Kimball | Art Direction |
| Art | George Milo | Set Decoration |
| Directing | Joe Dill | Assistant Director |
| Costume & Make-Up | Bob Mark | Makeup Artist |
| Crew | Howard Lydecker | Special Effects |
| Crew | Theodore Lydecker | Special Effects |
| Sound | Victor B. Appel | Sound |
| Costume & Make-Up | Adele Palmer | Wardrobe Supervisor |
| Sound | Alberto Colombo | Original Music Composer |
| Sound | Joseph Dubin | Original Music Composer |
| Sound | Charles Maxwell | Original Music Composer |
| Sound | Walter Scharf | Original Music Composer |
| Sound | Richard Cherwin | Music Director |