The Simpsons Movie is a 2007 American animated comedy film based on the long-running animated sitcom "The Simpsons". Directed by David Silverman, the film stars the regular television cast of Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith, Hank Azaria, Harry Shearer, Tress MacNeille, Pamela Hayden, Russi Taylor, and Albert Brooks. The film follows Homer Simpson, who irresponsibly pollutes the lake in Springfield, causing the Environmental Protection Agency to imprison the town under a dome. After he and his family escape, they ultimately abandon Homer for his selfishness and return to Springfield to prevent the town’s destruction by Russ Cargill, head of the EPA. Homer works to redeem his folly by returning to Springfield himself to help save the town.