Diane Keaton went on to have a relationship with this actor, whom she later co-starred with in "Reds."

Answer Warren Beatty

Warren Beatty was a well-known Hollywood playboy throughout most of his career. It is no surprise that Keaton and Beatty had an off-screen romance, which ended about the time they were cast in "Reds." Beatty pushed Keaton for the part.

Asked by · Last updated 5 years ago · 27.2K views · SOURCE