Hulk (also known as The Hulk) is a 2003 American superhero film based on the Marvel Comics character of the same name.It was directed by Ang Lee and written by James Schamus, Michael France, and John Turman, from a story by Schamus. Eric Bana stars as Bruce Banner / Hulk, alongside Jennifer Connelly, Sam Elliott, Josh Lucas, and Nick Nolte. Bruce Banner, a genetics researcher with a tragic past, suffers an accident that causes him to transform into a raging green monster when he gets angry.