Dr. Ralph Benson, posing as Graham

Lionel Atwill

Acting

Aunt Margaret Wentworth

Una Merkel

Acting

Red Hogan

Nat Pendleton

Acting

Patricia Wentworth

Claire Dodd

Acting

Mrs. William Saunders

Anne Nagel

Acting

William Saunders

Hardie Albright

Acting

Jim

Richard Davies

Acting

Dwight, Ship's Officer

John Eldredge

Acting

Barab

Mala

Acting

Native Chief Elan

Noble Johnson

Acting

Tanaa, Chief's Wife

Rosina Galli

Acting

Kalo

Al Kikume

Acting

Hadley

Milton Kibbee

Acting

Crandall, murdered detective

Byron Shores

Acting

Tahitian Dancer

Tani Marsh

Acting

Tahitian Dancer

Billy Bunkley

Acting

Ship Passenger

Bess Flowers

Acting