His father was the actor Reginald Sheffield who began as a child star and later turned to character acting. Johnny appeared at age seven on Broadway in the original cast of On Borrowed Time. When Maureen O'Sullivan wanted out of her Jane role in the Johnny Weissmuller Tarzan series, it was decided that she and Tarzan would adopt a son (they had to adopt, according to the Legion of Decency, because they weren't married) before she died. Weissmuller personally chose Sheffield for the part of B ...[Read Story]