Sarah Kate Silverman (born December 1, 1970) is an American stand-up comedian, actress, producer, musician, singer, and writer best known for her role as a fictionalized version of herself on The Sarah Silverman Program. She's also known for voicing Vanellope von Schweetz in the 2012 Disney animated movie Wreck-It Ralph and the 2013 video game Disney INFINITY and will reprise her role for Ralph Breaks the Internet: Wreck-It Ralph 2.