Director/a
William Nigh
DIRECTOR/A
Reparto (por orden de créditos)
Boris Karloff
Mr. James Lee Wong
Grant Withers
Police Capt. Sam Street
Dorothy Tree
Valerie Edwards
Craig Reynolds
Peter Harrison
Ivan Lebedeff
Michael Strogonoff
Holmes Herbert
Prof. Ed Janney
Morgan Wallace
Brendan Edwards
Lotus Long
Drina, the Maid
Chester Gan
Sing, the Butler
Hooper Atchley
Carslake
Bruce Wong
Asian Man
Jack Kennedy
Police Guard
Joe Devlin
Police Lt. George Devlin
Lee Tong Foo
Willie
Wilbur Mack
Ballistics Expert
Dick Morehead
Police Detective
Steve Carruthers
Party Guestuncredited
I. Stanford Jolley
Charades-Playeruncredited