Diretor/a
William Nigh
DIRETOR/A
Elenco (na ordem dos créditos)
Boris Karloff
Mr. Wong
Grant Withers
Capt. Street
Maxine Jennings
Myra
Evelyn Brent
Olga
George Lloyd
Devlin
Lucien Prival
Mohl
John St. Polis
Roemer
William Gould
Meisle
Hooper Atchley
Wilk
John Hamilton
Dayton
Wilbur Mack
Russell
Lee Tong Foo
Tchin
Lynton Brent
Tommy
Grace Wood
Mrs. Roemer
Frank Bruno
Lescardiuncredited
Ed Cassidy
Ambulance Doctoruncredited
Wheaton Chambers
Chemistry Lab Directoruncredited
Clancy Cooper
Warehouse Manuncredited
George DeNormand
Johnuncredited
Lester Dorr
Coroneruncredited
Herbert Evans
Wilk's Butleruncredited
Dick Reinhart
Dock Workeruncredited