Tarzan's Greatest Adventure is a 1959 adventure film directed by John Guillermin, produced by Sy Weintraub and Harvey Hayutin, and written by Les Crutchfield, based on the character created by Edgar Rice Burroughs. With a strong supporting cast that included Anthony Quayle and Sean Connery, and a focus on action and suspense, the movie won critical praise as a Tarzan film that appealed to adults as well as children.