Original: The film was directed by David Silverman , and stars the regular television cast of Dan Castellaneta , Julie Kavner , Nancy Cartwright , Yeardley Smith , Hank Azaria , Harry Shearer , Tress MacNeille , and Pamela Hayden .
Simplified: The movie stars the main television cast of Dan Castellaneta , Julie Kavner , Nancy Cartwright , Yeardley Smith , Hank Azaria and Harry Shearer