| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert S. D'Agostino | Crew | Art | Art Direction |
 C. Bakaleinikoff | Crew | Sound | Music Director |
 Chris Crowell | Crew | Visual Effects | Digital Compositor |
Darrell Silvera | Crew | Art | Set Decoration |
 Dore Schary | Crew | Production | Producer |
Edgar Peterson | Crew | Production | Production Assistant |
 Edward Stevenson | Crew | Costume & Make-Up | Costume Design |
Ethel Lina White | Crew | Writing | Novel |
Fred Fleck | Crew | Production | Production Manager |
Harry Gerstad | Crew | Editing | Editor |
Harry Marker | Crew | Editing | Editor |
Harry Scott | Crew | Directing | Assistant Director |
Jack Okey | Crew | Art | Art Direction |
John L. Cass | Crew | Sound | Sound |
Mel Dinelli | Crew | Writing | Screenplay |
 Nicholas Musuraca | Crew | Camera | Director of Photography |
 Robert Siodmak | Crew | Directing | Director |
 Roy Webb | Crew | Sound | Original Music Composer |
Terry Kellum | Crew | Sound | Sound |
 Vernon L. Walker | Crew | Crew | Special Effects |
Gordon Carveth | Crew | Crew | Stunts |
Samuel Hoffman | Crew | Sound | Musician |
 Charles Wagenheim | Cast | Actor | Desk Clerk (uncredited) |
 Dorothy McGuire | Cast | Actress | Helen |
 Ellen Corby | Cast | Actress | Neighbour (uncredited) |
 Elsa Lanchester | Cast | Actress | Mrs. Oates |
 Erville Alderson | Cast | Actor | Dr. Harvey (uncredited) |
 Ethel Barrymore | Cast | Actress | Mrs. Warren |
 George Brent | Cast | Actor | Professor Warren |
 George Holmes | Cast | Actor | The Killer's 'Shadow' (uncredited) |
 Gordon Oliver | Cast | Actor | Steve Warren |
 James Bell | Cast | Actor | Constable |
 Kent Smith | Cast | Actor | Dr. Parry |
 Larry Wheat | Cast | Actor | Minister (uncredited) |
 Myrna Dell | Cast | Actress | Murder Victim (uncredited) |
 Rhonda Fleming | Cast | Actress | Blanche |
 Rhys Williams | Cast | Actor | Mr. Oates |
Richard Tyler | Cast | Actor | Freddy (uncredited) |
Robert Siodmak | Cast | Actor | The Killer's 'Eye' (uncredited) |
 Sara Allgood | Cast | Actress | Nurse Barker |
 Stanley Price | Cast | Actor | Starry-eyed Man (uncredited) |
| Person | Type | Job | Role(s) |
