Long before The Big Bang Theory, and even longer before The Flight Attendant, Kaley Cuoco’s breakout role came on a 2002 sitcom called 8 Simple Rules. On the show, a teen-aged Cuoco played the daughter of John Ritter and Katey Sagal. For a young actress, working with Ritter, who was well-known for his comic timing and physical style of comedy, was a master class. Cuoco told us that watching Ritter do his job was one of her greatest memories. (Click on the media bar below to hear Kaley Cuoco)