| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alfred Travers | Crew | Writing | Screenplay, Director |
Cecil Thornton | Crew | Sound | Sound Recordist |
Gerald Moss | Crew | Camera | Camera Operator |
Harold V. King | Crew | Sound | Sound Director |
James Wilson | Crew | Camera | Director of Photography |
Louis H. Jackson | Crew | Production | Producer |
R. Holmes Paul | Crew | Art | Art Direction |
 Robert Asher | Crew | Directing | Assistant Director |
 Stanley Black | Crew | Sound | Original Music Composer, Conductor |
Stephen Clarkson | Crew | Writing | Screenplay |
Vivienne Adès | Crew | Writing | Screenplay |
Renalt Capes | Crew | Writing | Original Story |
A. G. Scott | Crew | Costume & Make-Up | Hairstylist |
Fred A. Swan | Crew | Production | Production Supervisor |
Eva Catchpole | Crew | Sound | Sound Editor |
Henry Hayward | Crew | Costume & Make-Up | Makeup Artist |
Mrs. Tweedy | Crew | Costume & Make-Up | Wardrobe Master |
Monica Kimick | Crew | Editing | Editor |
Hans May | Crew | Sound | Music Director |
 Abraham Sofaer | Cast | Actor | French Judge |
 Andreas Malandrinos | Cast | Actor | (as Andre Malandrinos) |
Beryl Measor | Cast | ||
 Herbert Lom | Cast | Actor | Jules de Lisle / Georges de Lisle |
 Phyllis Dixey | Cast | Actress | Penny aka Gloria Gregg |
 Ronald Frankau | Cast | Actor | Vincent Barney |
 Sebastian Cabot | Cast | Actor | Lottery Office Clerk |
 Terence de Marney | Cast | Actor | Mike Bergen |
 Eugene Deckers | Cast | Actor | French Ringmaster |
Ernst Ulman | Cast | ||
Clarence Wright | Cast | ||
Ben Williams | Cast | Actor | |
Eric Mason | Cast | ||
Marcel Poncin | Cast | ||
Gerald Conway | Cast | ||
Cromwell Brothers | Cast | Trapeze Act (as The Cromwell Brothers) | |
H. G. Guinle | Cast | ||
Harold Berens | Cast | ||
Griffiths Moss | Cast | ||
Len Sharp | Cast | ||
| Person | Type | Job | Role(s) |
