“They warned me what a serious guy De Niro is….They warned me not to make jokes. So the third day of shooting, I looked him straight in the face and told him: 'I can't work with you. You can't act.' The guy fell on the floor. He didn't stop laughing for 18 weeks. Scorsese fell on the floor too, but h…”— Don Rickles, chicagotribune.com