Kaley Christine Cuoco (born November 30, 1985) is an American film and television actress and singer. She is best known for her roles as Bridget Keenness on the sitcom 8 Simple Rules, Billie Jenkins on the supernatural drama Charmed, and Penny on the sitcom The Big Bang Theory.
Cuoco began modeling and acting at age 6. Her first major role was in the 1992 TV movieQuicksand: No Escape. She is the third and youngest child of Jeanne Rose Cuoco, a first grade English teacher, and Stephen Michael Cuoco, a former engineer. Her role as Maureen McCormick in the 2000 TV movie Growing Up Brady brought her much attention, as well as a role on the CBS sitcom Ladies Man. In 2004, in addition to her role on 8 Simple Rules where she played a teenager, she had starring roles on the NBC miniseries 10.5, on the ABC Family original movie Crimes of Fashion, and in the independent film Debating Robert Lee. In 2000 she starred in the Disney Channel Original Movie Alley Cats Strike.
Cuoco was named #77 on FHM-Us’ 100 Sexiest Women in 2005 and #21 in 2008. She beganvoicing the character of Brandy Harrington on the Disney Channel’s cartoon, Brandy and Mr. Whiskers, later in 2004.
Cuoco played Bridget Hennessy on the ABC sitcom 8 Simple Rules. Bridget was the eldest child, despite Cuoco being six years younger than her on-screen little sister (Amy Davidson), and was portrayed as “the most beautiful girl in the school.” She had several boyfriends throughout the series and used her feminine wiles to exert significant control over the boys she encountered.