Steve Zahn

Wayne Lefessier

Jack Black

J.D. McNugent

Jason Biggs

Darren Silverman

Amanda Peet

Judith Fessbeggler

Amanda Detmer

Sandy

R. Lee Ermey

Coach

Neil Diamond

Self

Kyle Gass

Bar Dude

Andrew McIlroy

Waiter

Norman Armour

Minister

Colin Foo

Old Man

Christopher Logan

Vageet

Esme Lambert

Raccoon Woman

Max Fomitchev

Mime

Tony Parsons

Newscaster

Oscar Goncalves

Man

Lillian Carlson

Mother Superior

Mark Aaron Wagner

Luigi

Stephen Chang

Thai Referee

Eliza Norbury

Wayne's Mom

Michael Roberds

Doctor

Sean Owen Roberts

Wong

Ken Camroux-Taylor

Warren

Lowela Jotie

Cheerleader

Odessa Munroe

Hooker

Tracy Trueman

Hooker

Devin Douglas Drewitz

Young Wayne

Carly McKillip

Cute Girl

Carla Boudreau

Beautiful Woman

Biski Gugushe

Cop At Darren's House

Steven McMichael

Josh

Dennis Dugan

Referee

Larry Lam

Thai Kickboxer

Brett Armstrong

Brett

Patrick Pfrimmer

Clayton

Frank L. Frazier

Bouncer (as Frank Frazier)

Eli Ranger

Young Darren

Ivan Jurcev

Young J.D.

Phil Trasolini

Referee on Sideline

David Neale

Cop at Police Station

Mary Ann Skoll

Cop at Police Station

Gus Lynch

Security Guard

Blake Stovin

Wayne's Dad

Brittany Moldowan

Little Girl

Katlyn Alexandra Ducharme

Little Girl

Jared Van Snellenberg

Belston

David B. Levinson

Heston (as David Levinson)

Frank Hache

Abe

Nicole Robert

Nun

Nancy J. Lilley

Bearded Lady

David Mylrea

Dogfaced Boy

Dario Delacio

Strong Man (as Dario Delaco)

Eleana Johnson

Old Lady

Margaret Ryan

Old Lady

Shaz Bennett

Cheerleader (as Shannon Bennett)

Theresa Coombe

Cheerleader

Leigh Hilary

Cheerleader

Jennifer Armstrong

Cheerleader

Linda Bernath

Cheerleader