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
Natalie Kingston
Al Ferguson
Lillian Worth
Sheldon Lewis
Paul Panzer
Clive Morgan
Charles Gemora
Frank Lanning