A young couple die in a plane crash in the jungle. Their son is found by Tarzan and Jane who name him Boy and raise him as their own. Five years later a search party comes to find the young heir to millions of dollars. Jane agrees, against Tarzan's will, to lead them to civilization.
Johnny Weissmüller
as Tarzan
Maureen O'Sullivan
as Jane Parker
Johnny Sheffield
as Boy
Ian Hunter
as Austin Lancing
Henry Stephenson
as Sir Thomas Lancing
Frieda Inescort
as Mrs. Lancing
Henry Wilcoxon
as Mr. 'Sandee' Sande
Laraine Day
as Mrs. Richard Lancing
Morton Lowry
as Richard Lancing
Gavin Muir
as Pilot (uncredited)
