Walter Pidgeon

Nick Carter

Donald Meek

Bartholomew

Joseph Schildkraut

Mr. Al Taurez

Florence Rice

Cora Barnes

Nat Pendleton

'Gunboat' Jacklin

Cecil Kellaway

Franklin Morris

John Carroll

John Ramsell Jr.

Steffi Duna

Dolores

Dwight Frye

Eddie Anders

Matthew Boulton

John Ramsell Sr.

Harry Tyler

Cafe Waiter

Joe Yule

Sailor

Alec Craig

Andy MacMillan

Thomas W. Ross

Dr. Grisson

Hugh Beaumont

Seaman

Guy Bellis

Pierson - Sir Edward's Aide

Dick Botiller

Taurez's Henchman

John Burton

Steve Donnigan of Scotland Yard (uncredited)

Charles Coleman

U.S. Agent Hilton

Franco Corsaro

Ysidro - Morris' Head Clerk (uncredited)

George Douglas

Taurez's Henchman

Ralph Dunn

Port Policeman

Lee Tung Foo

Mr. Yamamoto

John George

Man in Cafe (uncredited)

Edward Hearn

Officer on the Orchid

Holmes Herbert

Sir Edward

Claire James

Pretty Girl at End

Kenner G. Kemp

Man in Cafe

William Lally

Port Inspector

Stanley Mann

First Mate

Florence Mannix

Telephone Operator

May McAvoy

Middle Telephone Operator

David Newell

Man in Cafe

David Newell

Telephone Operator

Nestor Paiva

Policeman at Morris' Office & at Finale

Dick Rich

Al's Henchman

Claire Rochelle

Woman Entertainer

Harold Schlickenmayer

Sailor

Harry Semels

Cafe Bartender

Cap Somers

Man in Cafe

William Stelling

Man in Cafe Flirting with Dolores

Harry Strang

Sailor in Cafe

Brick Sullivan

Henchman

William Tannen

Sailor

Charles Thomas

Sailor in Cafe

Jesús Topete

Hispanic Waiter

Chalky Williams

Bouncer

Beal Wong

Chinese Man in Cafe

Nick Carter, Master Detective

Phantom Raiders

Sky Murder