Joseph H. Lewis
Director

Lionel Atwill
Dr. Ralph Benson, posing as Graham Una Merkel
Aunt Margaret Wentworth Nat Pendleton
Red Hogan Claire Dodd
Patricia Wentworth Anne Nagel
Mrs. William Saunders Hardie Albright
William Saunders Richard Davies
Jim John Eldredge
Dwight, Ship's Officer Mala
Barab Noble Johnson
Native Chief Elan Rosina Galli
Tanaa, Chief's Wife Al Kikume
Kalo

Hans J. Salter
Music Director Al Martin
Screenplay Ralph Dixon
Editor Jerome Ash
Director of Photography