Tarzan the Fearless

Buster Crabbe as Tarzan , Jacqueline Wells as Mary Brooks, a pseudo-Jane character, E. Alyn Warren as Dr. Brooks, Mary's father. He is entirely based on Professor Porter (Jane's father), Mischa Auer as Eltar, High Priest of Zar, Edward Woods as Bob Hall, friend to Mary and Dr. Brooks, Philo McCullough as Jeff Herbert, villainous safari guide, Matthew Betz as Nick Moran, another villainous safari guide