A scientific expedition happens to discover that gold exists on Tarzan's escarpment. The villainous Medford and Vandermeer kidnap Jane and Boy to extort from Tarzan the location of the gold.
Johnny Weissmüller
as Tarzan
Maureen O'Sullivan
as Jane
Johnny Sheffield
as Boy
Reginald Owen
as Professor Elliott
Barry Fitzgerald
as Dennis O'Doul
Tom Conway
as Medford
Philip Dorn
as Vandermeer
Cordell Hickman
as Tumbo
