Peter Lorre as Mr. Kentaro Moto

Ricardo Cortez as Fabian

Virginia Field as Connie Porter

John Carradine as Danforth / Richard Burke

George Sanders as Eric Norvel

Joan Carroll as Mary Delacour

Robert Coote as Rollo Venables

Margaret Irving as Madame Delacour

Leyland Hodgson as Captain Bert Hawkins

John Davidson as Hakim

Carol Adams as Minor Role (uncredited)

Jimmy Aubrey as Waiter (uncredited)

Ted Billings as Barfly (uncredited)

A.R. Bogard as Hoist Man (uncredited)

Daniel Boone as Deep Sea Diver (uncredited)

David Cavendish as Deck Officer (uncredited)

E. E. Clive as Port Commandant General (uncredited)

Neil Fitzgerald as English Sergeant (uncredited)

Harold Goodwin as Nightclub Bouncer and Seaman (uncredited)

Holmes Herbert as Bentham (uncredited)

George Humbert as Stage Manager (uncredited)

Jacques Lory as Markaday - Juggler (uncredited)

Pat McKee as Seaman Observing Fight (uncredited)

Lal Chand Mehra as Customs Officer (uncredited)

Victor Metzetti as Cab Driver (uncredited)

Robert F. Owens as Tender (uncredited)

Jack Perry as Guard at Door (uncredited)

Georges Renavent as Adm. Jacques Delacour (uncredited)

Wayne Rivers as Cable Man (uncredited)

Bert Roach as Hotel Clerk (uncredited)

C. Montague Shaw as Adm. Lord Streetly (uncredited)

Teru Shimada as Fake Mr. Moto (uncredited)

H.W. Stroele as Tender (uncredited)

Al Wesslen as Deep Sea Diver (uncredited)

Eric Wilton as Deck Steward (uncredited)