Errol Flynn as Gregory Mason

Ruth Roman as Stella Callahan

Raymond Burr as Brock Benedict

Paul Picerni as Steven Ranier

Richard Webb as Andy Callahan

Dan Seymour as Lieutenant Zuenon

Georges Renavent as Ortega

Robert Cabal as Manuelo

Henry Marco as Perol

Ben Chavez as Policeman #1 (uncredited)

Howard Chuman as Fortuno, Benedict's Bodyguard (uncredited)

Don C. Harvey as Larry (uncredited)

Al Kikume as Native Man in Island Bar (uncredited)

Ted Lawrence as Motor Cop #2 (uncredited)

Leon Lontoc as Policeman #2 (uncredited)

Paul McGuire as First Mate (uncredited)

Nestor Paiva as Captain Van Hoten (uncredited)

Milicent Patrick as Minor Role (uncredited)

Otto Reichow as Rainer's Henchman (uncredited)

Max Reid as Policeman (uncredited)

Leo C. Richmond as Motor Cop #1 (uncredited)

Michael Ross as Big China (uncredited)

Alfredo Santos as Policeman #3 (uncredited)