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