| Person | Type | Job | Role(s) |
|---|---|---|---|
 Aldous Huxley | Crew | Writing | Screenplay, Story |
 Bernard Herzbrun | Crew | Art | Art Direction |
 Bud Westmore | Crew | Costume & Make-Up | Makeup Artist |
Carmen Dirigo | Crew | Costume & Make-Up | Hairstylist |
Corson Jowett | Crew | Sound | Sound |
 Eugène Lourié | Crew | Art | Art Direction |
Horace Hough | Crew | Directing | Assistant Director |
Leslie I. Carey | Crew | Sound | Sound |
 Miklós Rózsa | Crew | Sound | Original Music Composer |
 Orry-Kelly | Crew | Costume & Make-Up | Costume Design |
Russell A. Gausman | Crew | Art | Set Decoration |
 Russell Metty | Crew | Camera | Director of Photography |
Ted Offenbecker | Crew | Art | Set Decoration |
 Zoltan Korda | Crew | Directing | Director, Producer |
Jack Wheeler | Crew | Editing | Editor |
 Al Ferguson | Cast | Actor | Warder (uncredited) |
Alec Harford | Cast | Dr. Dawson (uncredited) | |
Allen Schute | Cast | Warder (uncredited) | |
 Ann Blyth | Cast | Actress | Doris Mead |
 Arthur Gould-Porter | Cast | Actor | Bill - Warder (uncredited) |
 Boyd Irwin | Cast | Actor | Mr. Craig (uncredited) |
 Carl Harbord | Cast | Actor | Leslie Blake |
 Cecil Humphreys | Cast | Actor | General Spence |
 Cedric Hardwicke | Cast | Actor | Dr. James Libbard |
 Charles Boyer | Cast | Actor | Henry Maurier |
 Colin Kenny | Cast | Actor | Warder (uncredited) |
David Dunbar | Cast | Actor | Workman (uncredited) |
 Frederick Worlock | Cast | Actor | Judge (uncredited) |
 Harry Cording | Cast | Actor | Chauffeur McNabb |
 Holmes Herbert | Cast | Actor | Warder (uncredited) |
 Hugh French | Cast | Actor | Robert Lester |
 Jessica Tandy | Cast | Actress | Janet Spence |
 John Williams | Cast | Actor | Prosecuting Counsel |
Leslie Denison | Cast | Actor | Inspector (uncredited) |
 Leyland Hodgson | Cast | Actor | First Warder |
 Lydia Bilbrook | Cast | Actress | Mrs. Fellows (uncredited) |
 Mari Aldon | Cast | Actress | Girl (uncredited) |
 Marjorie Eaton | Cast | Actress | Maid (uncredited) |
 Mildred Natwick | Cast | Actress | Nurse Caroline Braddock |
Patrick Aherne | Cast | Actor | Warder (uncredited) |
 Rachel Kempson | Cast | Actress | Emily Maurier |
 Reginald Sheffield | Cast | Actor | Solicitor (uncredited) |
Valerie Cardew | Cast | Actress | Clara |
 Vernon Downing | Cast | Actor | Chemist (uncredited) |
 Wilson Benge | Cast | Actor | Clerk (uncredited) |
 Wilton Graff | Cast | Actor | Defending Counselor (uncredited) |
Ola Lorraine | Cast | Maisey | |
| Person | Type | Job | Role(s) |
