After a young couple perish in a plane crash in the jungle, their orphaned son is discovered by Tarzan and Jane, who name him Boy and raise him as their own child. Five years later, a search party arrives seeking the young heir to a vast fortune. Against Tarzan's wishes, Jane agrees to guide the party and Boy toward civilization, leading to a dramatic adventure. Cast: - Johnny Weissmuller as Tarzan - Maureen O'Sullivan as Jane Parker - Johnny Sheffield as Boy - Ian Hunter as Mr. 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 Mr. Richard Lancing - Gavin Muir as Pilot Runtime: 82 minutes