A playboy produces an airtight alibi when he is questioned about the murder of his wealthy aunt.
Unfortunately the movie The Fatal Witness is not yet available on Disney Plus.
| 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 |
| Art | Russell Kimball | Art Direction |
| Editing | Ralph Dixon | Editor |
| Crew | Bud Thackery | Cinematography |
| Art | Gano Chittenden | Art Direction |
| Crew | Theodore Lydecker | Special Effects |
| Costume & Make-Up | Bob Mark | Makeup Artist |
| Directing | Joe Dill | Assistant Director |
| Crew | Howard Lydecker | Special Effects |
| Art | George Milo | Set Decoration |
| Sound | Victor B. Appel | Sound |
| Sound | Alberto Colombo | Original Music Composer |
| Costume & Make-Up | Adele Palmer | Wardrobe Supervisor |
| Sound | Joseph Dubin | Original Music Composer |
| Sound | Charles Maxwell | Original Music Composer |
| Sound | Walter Scharf | Original Music Composer |
| Sound | Richard Cherwin | Music Director |