Colin Hanks
Shaun Brumder
Jack Black
Lance Brumder
Schuyler Fisk
Ashley
Catherine O'Hara
Cindy Beugler
John Lithgow
Bud Brumder
Mike White
Mr. Burke
Lily Tomlin
Charlotte Cobb
Chevy Chase
Principal Harbert
George Murdock
Bob Beugler
Carly Pope
Tanya
Natasha Melnick
Katie
Kyle Howard
Arlo
Bret Harrison
Lonny
R.J. Knoll
Chad
Lillian Hurst
Lupe
Leslie Mann
Krista
Garry Marshall
Arthur Gantner
Dana Ivey
Vera Gantner
Harold Ramis
Don Durkett
David Doty
Public Safety
Monica Keena
Gretchen
Jane Adams
Mona
Nat Faxon
Kip
Olivia Rosewood
Dana
Lizzy Caplan
Party Girl
Kevin Kline
Marcus Skinner (uncredited)
Ben Stiller
Firefighter (uncredited)
Tom Kenny
SpongeBob SquarePants / Gary (voice) (archive footage)
Fran Kranz
Shane Brainard