"Vincent Price stars in this early '60s adaptation of Thomas De Quincey's thriller about an opium addict trying to solve a mystery in San Francisco's Chinatown."
Vincent Price
as Gilbert De Quincey
Linda Ho
as Ruby Low
Richard Loo
as George Wah
June Kyoto Lu
as Lotus
Philip Ahn
as Ching Foon
Yvonne Moray
as Sing-song girl
Terence de Marney
as Scrawny man
John Fujioka
as Auctioneer
Angelo Rossitto
as Newspaper Boy
Victor Sen Yung
as Wing Young
Geri Hoo
as Second Dancing Girl
Gerald Jann
as Fat Chinese
Vivianne Manku
as Catatonic Girl
Miel Saan
as Look Gow
Nobuko Miyamoto
as First Dancing Girl
Alicia Li
as Ping Toy
Ralph Ahn
as Wah Chan
Caroline Barrett
as Lo Tsen
Albert Zugsmith
Director
Thomas De Quincey
Writer
Producer
Robert Hill
Roy V. Livingston
Editor
Joseph F. Biroc
Director of Photography
Edward Curtiss
Eugène Lourié
Production Design
Robert S. Eisen