Zack Morris

Mark-Paul Gosselaar

Kelly Kapowski

Tiffani-Amber Thiessen

A.C. Slater

Mario Lopez

Samuel "Screech" Powers

Dustin Diamond

Leslie Burke

Anne Tremko

Lisa Turtle

Lark Voorhies

Alex Tabor

Kiersten Warren

Professor Lasky

Patrick Fabian

Michael Rogers

Bob Golic

Elizabeth Berkley

Dean Susan McMann

Holland Taylor

Dennis Haskins

Guest Star

Ami Dolenz

Guest Star

Charles Grant

Guest Star

Ara Celi

Liz Vassey

Guest Star

Tim Griffin

Marv Albert

Marv Albert

Guest Star

Hillary Danner

Guest Star

Diana Tanaka

Professor Rich

Victor Raider-Wexler

Guest Star

Tony Rizzoli

Dr. Arthur Hemmings

Robert Guillaume

Judith Trudell

Nancy Stafford

Guest Star

Jamie Renee Smith

Guest Star

Brittney Powell

Guest Star

Deborah Hershey

Guest Star

David DeLuise

Guest Star

Donna Barnes

Clara Meade

Mindy Sterling

Guest Star

Ed Winter

Guest Star

John Fink

Guest Star

Rod Biermann

Guest Star

Don Mirault

Guest Star

Adam Philipson

Guest Star

Marty Rackham

Guest Star

James Gleason

Guest Star

Jake Beecham

Guest Star

Jonathan Brandis

Guest Star

Alle Ghadban

Guest Star

Dan Clark

Guest Star

Gloria Loring

Guest Star

Dean Scofield

Guest Star

Paul Kersey

Guest Star

Tim Elwell

Guest Star

Mary-Pat Green

Guest Star

Frank Farmer

Guest Star

Olivia Virgil White

Guest Star

Brian Austin Green

Guest Star

Ric Coy

Guest Star

Brittany Levenbrown

Guest Star

Jenna Von Oy

Guest Star

Martin Davis

Chinese Professor

George Cheung

The Coach

Steve Eastin