Ivan Lebedeff

饰：Michael Strogonoff

波利斯·卡洛夫

Boris Karloff

饰：James Lee Wong

Wilbur Mack

饰：Ballistics Expert

福尔摩斯·赫伯特

Holmes Herbert

饰：Prof. Ed Janney

Chester Gan

饰：Sing, the Butler

Hooper Atchley

饰：Carslake

Joe Devlin

饰：George, the Detective

I·斯坦福·乔利

I. Stanford Jolley

饰：Charades Player (uncredited)

李从福

Lee Tung Foo

饰：Willie (as Lee Tong Foo)

多萝西·特里

Dorothy Tree

饰：Valerie Edwards

Morgan Wallace

饰：Brandon Edwards

格兰特·威瑟斯

GranvilleG.Withers

饰：Police Captain Sam Street

Bruce Wong

饰：Asian Man

Craig Reynolds

饰：Peter Harrison

Jack Kennedy

饰：Policeman

Lotus Long

饰：Drina, the Maid

Dick Morehead

Dick Morehead

饰：Police Detective