Kerris Lilla Dorsey (born January 9, 1998) is an American actress and singer. She is known for her roles as Paige Whedon in the television series Brothers & Sisters, Casey Beane, Billy Beane's (Brad Pitt) daughter, in the 2011 film Moneyball, and as Emily Cooper in the 2014 film Alexander and the Terrible, Horrible, No Good, Very Bad Day. Dorsey ...