Kaley Christine Cuoco (play /ˈkeɪliː ˈkwoʊkoʊ/ kay-lee kwoh-koh; born November 30, 1985) is an American film and television actress and singer. She first came to attention for her role as Bridget Hennessy on the Emmy Award-winning sitcom 8 Simple Rules. She later starred as Billie Jenkins on the final seasons of the supernatural drama series Charmed. She gained international acclaim and recognition for her current role as Penny on the Emmy and Golden Globe award-winning comedy series The Big Bang Theory, which became the highest rated comedy on television, now second to ABC's Modern Family.
In September 2007, Cuoco began a starring role in the CBS sitcom The Big Bang Theory. She plays Penny, a beautiful, down-to-earth aspiring actress and employee at The Cheesecake Factory who moves in next door to two nerdy scientists, Sheldon (Jim Parsons) and Leonard (Johnny Galecki). In the show, she moved to California from Omaha, Nebraska, to pursue a career in acting. Prior to the 2010–2011 season, she earned $60,000 an episode for the series, the same as Johnny Galecki and Jim Parsons. In 2010, the cast negotiated a raise for each actor to make $200,000 per episode.
Cuoco also starred in the Lifetime film To Be Fat Like Me which premiered on January 8, 2007. She also played a minor role in the Prison Break episodes "The Message" and "Chicago" as well as taking the leading female role in the horror movie Killer Movie in 2008.
Cuoco has landed two movie roles for 2010/2011. She had a supporting role in Hop and will play Wanda in The Last Ride. She has also been cast alongside Cam Gigandet, Penn Badgley, and Crystal Lowe in Darkness Falls, expected to be released in 2011. Cuoco has hosted the 2011 Teen Choice Awards.