The secretary of an affably suave radio mystery host mysteriously commits suicide after his wealthy young niece disappears.
Is The Unsuspected on Netflix? Unfortunately the movie The Unsuspected is not yet available on Netflix.
| Writing | Bess Meredyth | Adaptation |
| Production | Michael Curtiz | Producer |
| Sound | Franz Waxman | Original Music Composer |
| Writing | Charlotte Armstrong | Novel |
| Directing | Michael Curtiz | Director |
| Writing | Ranald MacDougall | Screenplay |
| Camera | Elwood Bredell | Director of Photography |
| Production | Charles Hoffman | Producer |
| Editing | Frederick Richards | Editor |
| Art | Howard Winterbottom | Set Decoration |
| Art | Anton Grot | Art Direction |
| Sound | Everett Alton Brown | Sound |
| Sound | Leonid Raab | Orchestrator |
| Costume & Make-Up | Milo Anderson | Wardrobe Designer |
| Costume & Make-Up | Perc Westmore | Makeup Artist |
| Sound | Leo F. Forbstein | Music Director |
| Directing | Herbert S. Greene | Assistant Director |
| Directing | George Amy | Second Unit Director |
| Production | George Amy | Associate Producer |
| Directing | David Curtiz | Second Unit Director |
| Directing | Robert Vreeland | Assistant Director |
| Crew | Harry Barndollar | Special Effects |
| Crew | David C. Kertes | Special Effects |
| Visual Effects | Robert Burks | Visual Effects |
| Costume & Make-Up | Eugene Joseff | Other |
| Costume & Make-Up | Joan Joseff | Other |
| Crew | John Meredyth Lucas | Dialogue Coach |
| Crew | Fred Applegate | Dialogue Coach |