Flora Hawks is in love with the overseer of Tarzan's African estate. After a search for a legendary city of diamonds, Tarzon races with his pet lion Jad-bal-ja to save Haws from being sacrificed to a lion-god.
James Pierce
as Tarzan
Frederick Peters
as Esteban Miranda
Edna Murphy
as Betty Greystoke
Harold Goodwin
as Jack Bradley
Dorothy Dunbar
as Lady Greystoke
D'Arcy Corrigan
as Weesimbo
Boris Karloff
as Owaza
Robert Bolder
as John Peebles
