Dr. Ralph Benson, posing as Graham
Lionel Atwill
Aunt Margaret Wentworth
Una Merkel
Tanaa, Chief's Wife
Rosina Galli
Kalo
Al Kikume
Hadley
Milton Kibbee
Crandall, murdered detective
Byron Shores
Tahitian Dancer
Tani Marsh
Billy Bunkley
Ship Passenger
Bess Flowers
Red Hogan
Nat Pendleton
Patricia Wentworth
Claire Dodd
Mrs. William Saunders
Anne Nagel
William Saunders
Hardie Albright
Jim
Richard Davies
Dwight, Ship's Officer
John Eldredge
Barab
Mala
Native Chief Elan
Noble Johnson
Director
Joseph H. Lewis
Costume Design
Vera West
Set Decoration
Russell A. Gausman
Music Director
Hans J. Salter
Associate Producer
Paul Malvern
Director of Photography
Jerome Ash
Screenplay
Al Martin
Editor
Ralph Dixon
Art Direction
Jack Otterson