After Tarzan's estate is destroyed by Arabs Jane is sold into slavery by a man posing as a friendly scientist. Tarzan develops amnesia after a blow to the head. When he recovers his memory (from a later blow) he defeats the villain, recovers the fabulous jewels of Opar, and rescues Jane.
Frank Merrill
as Tarzan / Lord Greystoke
Natalie Kingston
as Jane / Lady Jane
Al Ferguson
as Albert Werper
Lillian Worth
as Queen La of Opar
Sheldon Lewis
as Achmet Zek
Paul Panzer
as Mohammed Bey
Clive Morgan
as Philip Annersley
Charles Gemora
as Taglat the Gorilla / Chulk the Gorilla
Frank Lanning
as Witch Doctor
