Elenco
Henry Daniell
Dr. Emil Zurich
Valerie French
Alison Drake
Grant Richards
Lt. Jeff Rowan
Paul Wexler
Zutai
Eduard Franz
Jonathan Drake
Frank Gerstle
Det. Lee Coulter
Lumsden Hare
Rogers, the butler
Howard Wendell
Dr. George Bradford
Paul Cavanagh
Kenneth Drake
Jonathan Hole
Funeral Director (uncredited)
Arthur Tovey
Minister at Funeral (uncredited)
Bert Stevens
Mourner at Funeral (uncredited)
Hans Moebus
Mourner (uncredited)
Anthony Redondo
Attendant (uncredited)
Equipe
Charles Gemora
Makeup Artist
Einar Bourman
Wardrobe Master
Sabine Manela
Wardrobe Master
Lillian Shore
Hairdresser
Herbert S. Greene
Assistant Director
Betty Fancher
Script Supervisor
Max Frankel
Property Master
Rudy Stangler
Special Effects
Henry Adams
Sound Effects Editor
Ben Winkler
Sound
Orville H. Hampton
Writer
Paul Dunlap
Original Music Composer
Robert E. Kent
Producer
Maury Gertsman
Director of Photography
William Glasgow
Art Direction
Edward L. Cahn
Director
Morris Hoffman
Set Decoration
Edward Mann
Editor