Kaley Christine Cuoco (born November 30, 1985) is an American television actress best known for her role as Bridget Hennessy on the ABC sitcom 8 Simple Rules. Although playing the oldest child of the family, she is, in reality, six years younger than her co-star, Amy Davidson, who played the middle child. She parodied herself on one episode of 8 Simple Rules in a cold opening sequence.