Diretor/a
Walter Grauman
DIRETOR/A
Elenco (na ordem dos créditos)
Don Murray
Dr. Alex Lauder
Ray Milland
Professor Samuel Hale Constable
Gene Tierney
Lenore Constable
Barbara Dana
Tina Cryder
Edward Asner
Saul Wiener
Pamelyn Ferdin
Mary Constable
William Beckley
Arnold Watson Bessmer
Ivor Barry
Dr. Paul Cryder
George Macready
Dr. Frank Ferguson
John Carradine
Mr. Bosch
Virginia Christine
Helga
Cecile Ozorio
Devi Bessmer
Frank Maxwell
General Augstadt
Hal Frederick
C.I.C. Technician
Bill Hickman
Enemy Agent
Fritz Ford
(uncredited)
Charles Seel
Cemetery Custodian(uncredited)