Roger Bart

as William Butten

as Self

as Self

as Featured Diner #2

as Dolphin (voice)

as Curtis Wilson

as Henry Asquith

as Angelo

as Principal Bellingham

as Brad Cayman

as Vice Principal Nero

as Lawrence Mills

as Chris

as Buddy Ross

as Professor Fedowitz

as Dr. Herfmann

as Steve Clarrington

as James Hartley

as Maurice

as Jack

as Scooter Rovenpor

as Johnson

as Professor Clayton

as Kip Lowell

as Bob

as Barry Harris

as IRS Agent Ethan Kendrick

as Gerry

as Sam

as Constantine Brinkerhof

as Mr. Phil McNichol

as Mason Treadwell

as Marty

as Matt's Agent

as Jimmy

as Self

as John Doe

as Brian Bringham

as Self

as Anders

as Jurgis

as Dr. Jack Beecher

as Principal Hampton

as US Attorney

as Self

as Stuart

as Howard 'The Weasel' Montague

as Brad Halster

as Burl Cannalo

as Carmen Ghia

as Curtis

as Rep

as Dennis Caruso

as George Williams

as Self

as Roger Bannister

as Paul

as Bob Starling

as Self

as Self - 'Scamp's' Singing Voice

as Jeffrey Fitzgerald

as Seelbach Hotel Manager

as Benjy Dowe

as Adam Cain

as Young Hercules (singing voice)

as Self - Guest

as Alec Hughes

as Self

as Les Phillabaum