Patrick Warburton
— Rock Slyde
Andy Dick
— Bart
Rena Sofer
— Sara
Elaine Hendrix
— Judy Bee
Jason Alexander
— Mailman Stan
Eric Roberts
— Jake the Deliveryman
Lea Thompson
— Master Bartologist
Terry Chen
— David
Jerry Cantrell
— Jerry
Brian Bosworth
— The Friendly Pirate
Guillermo Rodriguez
— Gary
Zac Kintner
— Freak out Bartologist
William Brent
— Young Rock (as Billy Unger)
Kristin Adams
— Bartender