Johnny Weissmüller

Tarzan

Brenda Joyce

Jane

Johnny Sheffield

Boy

Acquanetta

Lea, the High Priestess

Edgar Barrier

Dr. Ameer Lazar

Dennis Hoey

Commissioner

Tommy Cook

Kimba

Anthony Caruso

Mongo

Doris Lloyd

Miss Wetherby (uncredited)

Lillian Molieri

Zambesi Maiden (uncredited)

George J. Lewis

Corporal (uncredited)

Georges Renavent

Ivory Merchant (uncredited)