Lucille would do just about anything for a good laugh. In the famous grape stomping fight scene in season episode, Lucy's Italian Movie, she nearly drowned when the other actress in the scene accidentally held her under the smushed grapes for too long.
Desi Arnaz as Ricky Richardo, I Love Lucy. Many people believed the real live Desi Jr. Played the part of Little Ricky. No, it was Keith Thibodeaux. He was originally hired because he was an outstanding drummer prodigy.