Peter Lorre as Kentaro Moto

Warren Hymer as Twister McGurk

Amanda Duff as Joan Castle

Robert Lowery as Lt. George Bentley

Leon Ames as Commissioner Madero

Jean Hersholt as Mr. Sutter

Douglass Dumbrille as Comdr. La Costa

Richard Lane as Police Commissioner Gordon

Charles D. Brown as Capt. Thomas Castle

Paul Harvey as Gov. John Bentley

Eddie Marr as Capt. Dahlen

Harry Woods as Grant

Ward Bond as Sailor Sam - Wrestler

Neely Edwards as Moore - Governor's Aide

Renie Riano as Librarian

Willie Best as Launch Pilot

Grace Hayle as Mrs. Brown

Edwin Stanley as Doctor at Hospital

Walter Deming as Drunk

Lester Dorr as Real Ambulance Intern

Donald Douglas as Ship's Officer - Fight Referee

Jimmie Dundee as Driver

Ralph Dunn as Cop with McGurk

Juan Duval as Carlos - Butler

Harold Goodwin as Ship Dispatch Officer

Oscar 'Dutch' Hendrian as Sailor at Wrestling Match

Selmer Jackson as Doctor

Edward Keane as Washington Official

Al Kikume as Sergeant holding McGurk at the Garage

George Magrill as Officer

Tony Martelli as Hotel Valet

Louis Mercier as Hotel Valet

Lucille Miller as Flirt at Dance

Gloria Roy as Nurse

Lee Shumway as Guard

Jack Stoney as Henchman disguised as Ambulance Attendant

Harry Strang as Henchman disguised as Ambulance Attendant

Max Wagner as Sailor at Wrestling Match

Ray Walker as Real Ambulance Intern