Kaley Christine Cuoco is an American actress. She is known for starring as Penny on the CBS sitcom The Big Bang Theory (2007–2019) and as the title character in the HBO Max comedic thriller The Flight Attendant (2020–2022). The latter earned her nominations for Primetime Emmy Awards and Golden Globe Awards.

Penelope "Penny" Hofstadter is a fictional character from the American CBS sitcom The Big Bang Theory, portrayed by actress Kaley Cuoco. She is the primary female character in the series, befriending her neighbors Leonard Hofstadter and Sheldon Cooper, two physicists employed at the California Institute of Technology (Caltech).