On screen
Cast
20 credited performers
Boris Karloff
Mr. James Lee Wong
Marjorie Reynolds
Roberta 'Bobbie' Logan
Grant Withers
Police Capt. Bill Street
Huntley Gordon
Mr. Davidson
George Lynn
Capt. Guy Jackson
William Royle
Capt. Jaime
James Flavin
Police Sgt. Jerry
Artwork unavailable
Lotus Long
Princess Lin Hwa
Lee Tung Foo
Willie
Artwork unavailable
Bessie Loo
Lilly May
Ernie Stanton
Bailey
I. Stanford Jolley
Palisser Hotel Clerk
Artwork unavailable
Jack Kennedy
Sgt. Brady
Donald Kerr
Taxi Driver
Wilbur Mack
The Coroner
Moy Ming
Aged Tong Member
Artwork unavailable
Bruce Mitchell
Police Officer at Explosion
Angelo Rossitto
Mute Dwarf
Guy Usher
Police Commissioner
Richard Loo
Tong Chief