"A Chinese-American woman tries to expose an illegal alien smuggling ring."
Anna May Wong
as Lan Ying Lin
Charles Bickford
as Otto Hartman
Buster Crabbe
as Andrew Sleete (as Larry Crabbe)
Cecil Cunningham
as Mrs. Mary Hunt
J. Carrol Naish
as Frank Barden
Anthony Quinn
as Harry Morgan
Evelyn Brent
as Olga Derey
Philip Ahn
as Kim Lee
Fred Kohler
as Captain Gulner
Guy Bates Post
as Lloyd Burkett
Virginia Dabney
as Rita - a Dancer
John Patterson
as James Lang
Frank Sully
as Jake Kelly
Ching Wah Lee
as Quan Lin
Mae Busch
as Lil
Ernest Whitman
as Sam Blike
Billy Jones
as Seaman in Fight (uncredited)
Pierre Watkin
as L.T. Yorkland
Paul Fix
as Miles
Gino Corrado
as Interpreter
Paulita Arvizu
as Dancer (uncredited)
Carmen Bailey
Ted Billings
as Barfly (uncredited)
Agostino Borgato
as Gypsy (uncredited)
Marie Burton
as Girl (uncredited)
Spencer Chan
as Worker (uncredited)
Wong Chung
as One of Quan Lin's Servants (uncredited)
Chick Collins
Sheila Darcy
Paula DeCardo
James Dime
as Tough Sailor (uncredited)
Jimmie Dundee
as Miles (uncredited)
Norah Gale
Kit Guard
Harriette Haddon
John Hart
as Sailor (uncredited)
Abe Hollandersky
Gwen Kenyon
as Telephone Operator (uncredited)
Carmen Laroux
as Quan Lin (uncredited)
Maurice Liu
as Ah Fong (uncredited)
Andre Marsaudon
as South American (uncredited)
Joyce Mathews
Tina Menard
Helaine Moler
Bill Powell
as Carib Waiter (uncredited)
Constantine Romanoff
as Russian Alien (uncredited)
Alma Ross
Lee Shumway
as Ship's Officer (uncredited)
Harry Strang
Layne Tom Jr.
as Chinese Candy Vendor (uncredited)
Sammee Tong
as Chinese Alien in Airplane (uncredited)
Archie Twitchell
as Secretary (uncredited)
Blanca Vischer
as Mr. Yorkland (uncredited)
as Sam Blike (uncredited)
Charles C. Wilson
as Schwartz (uncredited)
Mrs. Wong Wing
as Lu Chung - the Amah (uncredited)
Alex Woloshin
Beal Wong
Bruce Wong
as Chinese Man (uncredited)
Michael Wu
as Yung Woo (uncredited)
Hans Dreier
Art Direction
Garnett Weston
Story
Robert Odell
Ellsworth Hoagland
Editor
Charles Schoenbaum
Director of Photography
Robert Florey
Director
Gladys Unger
Screenplay
Harold Hurley
Producer
William LeBaron
Executive Producer
Edward T. Lowe Jr.
Stanley Goldsmith
Assistant Director
Charles Hisserich
Sound Recordist
Richard Olson
Boris Morros
Music Director
Original Music Composer