Kerris Lilla Dorsey (born January 9, 1998) is an American actress and singer. She is known for her role as Paige Whedon on the television series Brothers & Sisters from 2006 to 2011 and for playing Billy Beane's (Brad Pitt) daughter, Casey Beane, in the 2011 film Moneyball. She plays Bridget, daughter of the titular character on the Showtime series Ray Donovan.
In Moneyball she performs a cover of Lenka's song "The Show", which is included on the soundtrack to the film.
In 2012, Dorsey guest starred on the Disney Channel series Shake it Up as Kat, a girl who elaborates a plan to get on Shake It Up Chicago by befriending Cece Jones. Kat pressures them to tell Gary to hire her as an intern on the show. Kat is successful in getting on the show but at the end of the episode, she moves to New York to join Shake It Up New York, although the email she had received was a fake email sent by CeCe in the episode "Copy Kat It Up!"