David Leary

Rick Moranis

Roscoe Bigger (Fang)

Tom Arnold

Victoria Tucker

Julianne Phillips

Faith

Carol Kane

Art Lundstrum

Jeffrey Tambor

Clark

Curtis Armstrong

Principal Kokelar

Don Knotts

Betty Lundstrom

Faith Prince

Ulf

Tony Pierce

Guard

Doug Abrahams

Ben Leary

Blake Bashoff

Kirby

Cody McMains

Alan

Harry Waters Jr.

Gerry

Stuart Pankin

Alan

Harry Waters

Young David

Justin Jon Ross

Young Fang

Michael Zwiener

Young Victoria

Tiffany Foster

David's Father

Bill Dow

Young Ulf

Matthew Slowik

Young Alan

C.J. Grayson

Young Gerry

Grant Hoover

David's Mother

Susan Bain

Teacher - 1970

Christine Willes

Fourth Grade Teacher

Ingrid Torrance

Freckle-Faced Kid

Tyler Van Blankenstein

Old Woman

Lillian Carlson

Nigel at Bookstore

Matt Hill

Shop Clerk

Kate Twa

Mrs. Rumpert

Norma MacMillan

Mrs. Rumpert

Norma McMillan

Girl in Class

Tegan Moss

Kid No. 1

Eryn Collins

Kid No. 2

Gregory Smith

Teacher No. 1

Lois Dellar

Teacher No. 1

Alf Humphreys

Sympathetic Teacher

Claire Riley

Stookie

Brent Morrison

Corky

Alexander Pollock

Stevie

Kyle Labine

Kyle

Zachary Webb

Bobby

Eric Pospisil

Crying Teacher

Miriam Smith

Paul

Colum Cantillon

Secretary

Dawn Stofer

Hallway Kid No. 1

Steven Taylor

Hallway Kid No. 2

Justin Goodrich

Hallway Kid No. 3

Anthony Pavlokovic

Soldier

Andrew Wheeler

Delinquent No. 1

James Sherry

Delinquent No. 2

Tommy Anderson

Korean Lady in Bookstore

Tina Klassen

Stunt Police No. 1

Jacob Rupp

Connie

Tamara Stanners

Connie TV Guest

Helena Yea

Stunt Police No. 2

David Jacox Jr.

Connie TV Guest

Ray Fairchild

Boy with Baskeball (uncredited)

Ryan Mennie

Wrestler on TV (uncredited)

Robert Miller

Wrestler on TV (uncredited)

Brian Wickens