Virginia Mayo

as Louise Whitman

George Nader

as David Carr

Peter Lorre

as Colonel John Miguel Orlando Arragas

Michael Pate

as Bart O'Connell

Rex Ingram

as Dr. Leopold Gorman

Tonio Selwart

as Carl Rittner

Kathryn Givney

as Amelia Abbott

Tudor Owen

as Emile Zorfus

Raymond Bailey

as Peter Mannering

George Ramsey

as Miguel Diniz

Maurice Doner

as Marquette

Bernie Hamilton

as Pompala

Harold Dyrenforth

as Steiner

Naaman Brown

Sol Gorss

Ted Hecht

George Khoury

Frederic Melchior

Morgan Roberts

Franz Roehn

Edward C. Short

Ken Terrell