Dr. Ralph Benson, posing as Graham
Aunt Margaret Wentworth
Red Hogan
Patricia Wentworth
Mrs. William Saunders
William Saunders
Jim
Dwight, Ship's Officer
Barab
Native Chief Elan
Tanaa, Chief's Wife
Kalo
Hadley
Crandall, murdered detective
Tahitian Dancer
Ship Passenger
