Diretor/a
William Nigh
DIRETOR/A
Elenco (na ordem dos créditos)
Boris Karloff
James Lee Wong
Marjorie Reynolds
Bobbie Logan
Grant Withers
Bill Street
William Stelling
Dick Fleming
Catherine Craig
Cynthia Wentworth
Guy Usher
Paul Fleming
Henry Brandon
Victor Martin
Melvin Lang
Cyrus Wentworth
Wilbur Mack
Matthews
Kenneth Harlan
Ludlow
Richard Loo
Tong Leader
Tristram Coffin
Mr. Baldwin (uncredited)
Mike Donovan
Detective Mike (uncredited)
Gibson Gowland
Doctor (uncredited)
Jack Kennedy
Police Sgt. Casey (uncredited)
Maxine Leslie
Miss Reed (uncredited)
Moy Ming
Aged Tong Member (uncredited)
Angelo Rossitto
Newsboy in Montage (uncredited)
Bill Willmering
Detective Blake (uncredited)