Trailer
Images
 | Boris Karloff as Gen. Nikolas Pherides |
 | Ellen Drew as Thea |
 | Marc Cramer as Oliver Davis |
 | Katherine Emery as Mary St. Aubyn |
 | Helene Thimig as Madame Kyra |
 | Alan Napier as St. Aubyn |
 | Jason Robards Sr. as Albrecht |
 | Ernst Deutsch as Dr. Drossos |
 | Skelton Knaggs as Andrew Robbins (uncredited) |
 | Sherry Hall as Col. Kobestes (uncredited) |
| Erick Hanson as Officer (uncredited) |
 | Rose Hobart as Mary St. Aubyn (in long shot; uncredited) |
| Production | |
| Jack J. Gross | Executive Producer |
Directing | |
| Mark Robson | Director |
Writing | |
| Ardel Wray | Screenplay |
Production | |
| Val Lewton | Producer |
Sound | |
| Leigh Harline | Original Music Composer |
Camera | |
| Jack MacKenzie | Director of Photography |
Editing | |
| Lyle Boyer | Editor |
Art | |
| Albert S. D'Agostino | Art Direction |
| Walter E. Keller | Art Direction |
| Albert Greenwood | Set Decoration |
| Darrell Silvera | Set Decoration |
Sound | |
| Jean L. Speak | Sound Recordist |
