Directed by
| Kurt Neumann | ... | (directed by) |
Writing Credits
| James Clavell | ... | (screenplay) |
| George Langelaan | ... | (based on a story by) |
Cast (in credits order) verified as complete
| David Hedison | ... | Andre Delambre (as Al Hedison) | |
| Patricia Owens | ... | Helene Delambre | |
| Vincent Price | ... | François Delambre | |
| Herbert Marshall | ... | Insp. Charas | |
| Kathleen Freeman | ... | Emma | |
| Betty Lou Gerson | ... | Nurse Andersone | |
| Charles Herbert | ... | Philippe Delambre | |
| Rest of cast listed alphabetically: | |||
 |
Eugene Borden | ... | Dr. Ejoute (uncredited) |
| George Calliga | ... | Club Member (uncredited) | |
| Harry Carter | ... | Orderly (uncredited) | |
| Bill Clark | ... | Policeman (uncredited) | |
|
|
Arthur Dulac | ... | French Waiter (uncredited) |
| Bess Flowers | ... | Audience Member (uncredited) | |
| Herschel Graham | ... | Club Member (uncredited) | |
| Torben Meyer | ... | Gaston (uncredited) | |
| Sol Murgi | ... | Audience Member (uncredited) | |
| George Nardelli | ... | Detective (uncredited) | |
|
|
Franz Roehn | ... | Police Doctor (uncredited) |
| Charles Tannen | ... | Doctor (uncredited) | |
Produced by
| Robert L. Lippert | ... | executive producer (uncredited) |
| Kurt Neumann | ... | producer |
Music by
| Paul Sawtell | ||
Cinematography by
| Karl Struss | ... | director of photography |
Editing by
| Merrill G. White | ||
Art Direction by
| Theobold Holsopple | ||
| Lyle R. Wheeler | ||
Set Decoration by
| Eli Benneche | ||
| Walter M. Scott | ||
Costume Design by
| Adele Balkan | ||
Makeup Department
| Ben Nye | ... | makeup artist |
| Helen Turpin | ... | hair stylist |
Second Unit Director or Assistant Director
| Jack Gertsman | ... | assistant director |
Sound Department
| Eugene Grossman | ... | sound |
| Harry M. Leonard | ... | sound |
| Don Isaacs | ... | sound editor (uncredited) |
| Dick Jensen | ... | sound editor (uncredited) |
Special Effects by
| James B. Gordon | ... | special effects (uncredited) |
Visual Effects by
| L.B. Abbott | ... | special photographic effects |
Camera and Electrical Department
| Earl Gilbert | ... | lighting technician (uncredited) |
Costume and Wardrobe Department
| Charles Le Maire | ... | executive wardrobe designer (as Charles LeMaire) |
Editorial Department
| Leonard Doss | ... | color consultant |
| Orven Schanzer | ... | assistant editor (uncredited) |
Music Department
| Bernhard Kaun | ... | conductor (uncredited) |
Script and Continuity Department
| Kathleen Fagan | ... | script supervisor (uncredited) |
Additional Crew
| Wayne Fitzgerald | ... | title designer (uncredited) |
| Clarence Marks | ... | dialogue coach (uncredited) |
