Bolt is a 2008 American computer-animated road-comedy-adventure film produced by Walt Disney Animation Studios, released by Walt Disney Pictures, and the studio's 48th animated feature. It is the first film directed by Chris Williams and Byron Howard. The film stars the voices of John Travolta, Miley Cyrus, Malcolm McDowell, Diedrich Bader, Nick Swardson, Greg Germann, Susie Essman and Mark Walton. The film's plot centers on a small white dog named Bolt who, having spent his entire life on the set of a television series, thinks that he has super powers. When he believes that his human, Penny, has been kidnapped, he sets out on a cross-country journey to "rescue" her.