Tarzan the Mighty (1928)

Mary and Bobby Trevor are castaways befriended by Tarzan. When Lord arrives, looking for the family heir, Black John tries to fill that role and marry Mary in England. Tarzan shows up and marries her instead.

Directed by: Jack Nelson, Ray Taylor

Starring: Frank Merrill, Al Ferguson, Natalie Kingston, Bobby Nelson, Lorimer Johnston

Links: IMDb, Movie posters, Movie stills