Chevy Chase, Clark Griswold

Ben Franklin Bear, Buff Guy, Dilbert, Doctor, Green Monster, Jeremy, Sean Penn, Smurf #2, Writer #1

Warden

Dr. Michael Milano, Hammer

George W. Bush, Ross Fishman, Various, AA Member, Additional Voices, Angry Mob Man, Ben Fishman, Crowd, Door Guard, Ferris Bueller...

Coach, Warden

Shauna Parks

Various, Announcer #1, Auctioneer, Austin Powers, Corner Man, Dr. Bruce Kaplan, Dr. Kaplan, Ornithologist, The Grinch, Various Characters...

Cult Leader

Evelyn

James William Bottomtooth III, Various, Agent #1, Blue Talking Car, Cat Burglar, Caveman, Co-Worker #1, Conductor, Curls from 'B.C', Elephant...