Johnny Weissmüller as Tarzan

Brenda Joyce as Jane

Johnny Sheffield as Boy

Acquanetta as Lea, the High Priestess

Edgar Barrier as Dr. Ameer Lazar

Dennis Hoey as Commissioner

Tommy Cook as Kimba

Anthony Caruso as Mongo

Doris Lloyd as Miss Wetherby (uncredited)

Lillian Molieri as Zambesi Maiden (uncredited)

George J. Lewis as Corporal (uncredited)

Georges Renavent as Ivory Merchant (uncredited)

Marek Windheim as Silk Merchant (uncredited)

Robert Barron as Caravaneer (uncredited)

Kay Koury as Merchant (uncredited)

Louis Mercier as Snake Charmer (uncredited)

Neyle Morrow as Soldier (uncredited)

John Shay as Soldier (uncredited)