P. David Ebersole
— Jerry
Karen Capelle
— Lori
Kirk Burnett
— Paul
Mikal Robert Taylor
— Keith
Toni Mazarin
— Vicki
Paula Abdul
— Sherry
Haya Kohn
— Vicki's Friend
Matt Caplan
— Bill
Jim Norris
— Bob
Kevin Kucera
— Office Runner
Candy Breen
— Julie
Ira Kaplan
— Friedman
Cissy Wechter
— Girl in Library
Bart Tallakson
— Huge Mean Kid
Melinda Lilly
— Girl #1
Anna Martson
— Margie Amsterdam
Jan Kohler
— Karen
Ronald Blum
— Boy with Cupcake
David Eisenberg
— Short Kid in Library
Kurt Vitolo
— Short Kid #2
Chris Lyons
— Boy with Lunch Pail
Jan Russell
— Itty Bitty Titty Committee
Joanne Scott
— Itty Bitty Titty Committee
Lisa Tucker
— Itty Bitty Titty Committee
Kirk Howe
— Gym Squad Leader / Jerry (singing voice)
Eric Spears
— Gym Squad Leader
Charlie Brill
— Mr. Rhomboid
David Frishberg
— Mr. Oakwood
Sally Schroeder
— Cafeteria Lady
Jim Carolla
— Mr. Cadenza