"#1.Jerry Lewis -- The Day the Clown Cried (1972)
When most comedians want to be respected as actors, they'll usually do a dramedy like The Majestic or Punch Drunk Love. Maybe they'll even do a full drama like One Hour Photo. Jerry Lewis went all out and did a movie about a circus clown who delivers children to the Nazis. It is one of the most infamous unreleased movies in the history of Hollywood.
You never go full Nazi. Everyone knows that, Jerry Lewis.
In the movie, Lewis plays Helm"