Cast
Hooper Atchley
Christian Wilk
John Hamilton
Simon Dayton
Lee Tung Foo
Tchin
Wheaton Chambers
Chemistry Lab Director (uncredited)
George Lloyd
Devlin
John St. Polis
Carl Roemer
Lester Dorr
Coroner (uncredited)
Lucien Prival
Anton Mohl
William Gould
Theodore Meisle
Wilbur Mack
Russell
Ed Cassidy
Ambulance Doctor (uncredited)
Herbert Evans
Wilk's Butler (uncredited)
Maxine Jennings
Myra Ross
Evelyn Brent
Olga Petroff / Countess Dubois / Sophie Dome
Clancy Cooper
Warehouse Man (uncredited)
Lynton Brent
Tommy
ボリス・カーロフ
James Lee Wong
Grant Withers
Police Capt. Sam Street