波利斯·卡洛夫

Boris Karloff

饰：Mr. James Lee Wong

玛乔丽·雷诺兹

Marjorie Reynolds

饰：Roberta 'Bobbie' Logan

格兰特·威瑟斯

GranvilleG.Withers

饰：Police Capt. Bill Street

Huntley Gordon

饰：Mr. Davidson

George Lynn

饰：Capt. Guy Jackson (as Peter George Lynn)

William Royle

饰：Capt. Jaime

詹姆斯·弗莱文

James Flavin

饰：Police Sgt. Jerry

Lotus Long

饰：Princess Lin Hwa

李从福

Lee Tung Foo

饰：Willie (as Lee Tong Foo)

Bessie Loo

饰：Lilly May

理查德·洛

Richard Loo

饰：Tong Chief

Ernie Stanton

饰：Burton

I·斯坦福·乔利

I. Stanford Jolley

饰：Palisser Hotel Clerk (uncredited)

Jack Kennedy

饰：Sgt. Brady (uncredited)

唐纳德·柯尔

Donald Kerr

饰：Taxi Driver (uncredited)

Wilbur Mack

饰：The Coroner (uncredited)

Moy Ming

饰：Aged Tong Member (uncredited)

布鲁斯·米切尔

Bruce Mitchell

饰：Police Officer at Explosion (uncredited)

安杰洛·罗西托

Angelo Rossitto

饰：Mute Dwarf (uncredited)

盖·厄舍

Guy Usher

饰：Police Commissioner (uncredited)