- Mark-Paul Gosselaar
- Â Zack Morris 86 episodes, 1989-1992
- Mario Lopez
- Â A.C. Slater 86 episodes, 1989-1992
- Dustin Diamond
- Â Samuel 'Screech' Powers 86 episodes, 1989-1992
- Lark Voorhies
- Â Lisa Turtle 86 episodes, 1989-1992
- Dennis Haskins
- Â Mr. Richard Belding 86 episodes, 1989-1992
- Tiffani Thiessen
- Â Kelly Kapowski 76 episodes, 1989-1992
- Elizabeth Berkley
- Â Jessie Spano 76 episodes, 1989-1992
- Ed Alonzo
- Â Max 21 episodes, 1989-1992
- Leanna Creel
- Â Tori Scott 10 episodes, 1992
- Troy Fromin
- Â Ox / ... 4 episodes, 1991-1992
- Ernie Sabella
- Â Leon Carosi 6 episodes, 1991-1992
- Leah Remini
- Â Stacey Carosi 6 episodes, 1991-1992
- Jack Angeles
- Â Mr. Tuttle 5 episodes, 1989-1992
- William Joseph Barker
- Â Edgar Poindexter / ... 3 episodes, 1989
- Patrick Thomas O'Brien
- Â Mr. Dewey 4 episodes, 1989-1992
- Pamela Kosh
- Â Miss Simpson / ... 4 episodes, 1989-1991
- Ryan Holihan
- Â Sylvester 2 episodes, 1992
- Bridgette Wilson-Sampras
- Â Ginger 1 episode, 1992
- Bryan Cooper
- Â 'Big' Pete Stonebreaker / ... 1 episode, 1991-1992
- Patrick Muldoon
- Â Jeffrey Hunter 3 episodes, 1991-1992
- Melody Rogers
- Â Mrs. Morris 3 episodes, 1991
- Carol Lawrence
- Â Miss Wentworth 3 episodes, 1989-1990
- Tori Spelling
- Â Violet Bickerstaff 3 episodes, 1990-1992
- Mark Clayman
- Â Moose / ... 2 episodes, 1989-1992
- Mike Lavelle
- Â Kevin the Robot 2 episodes, 1989-1992
- Richard Israel
- Â Ronald Geekman 2 episodes, 1990-1992
- Lara Lyon
- Â Louise 1 episode, 1990-1992
- Dion Zamora
- Â Alan Fairbanks 1 episode, 1989-1990
- John Sanderford
- Â Derek Morris 2 episodes, 1990-1992
- Mark Blankfield
- Â James 2 episodes, 1990-1991
- Susan Beaubian
- Â Dr. Turtle / ... 2 episodes, 1991-1992
- Joshua Hoffman
- Â Eric Tramer 2 episodes, 1991
- George McDaniel
- Â Mr. David Spano / ... 2 episodes, 1991
- Gerald Castillo
- Â Major Slater 2 episodes, 1989-1992
- Vaughn Armstrong
- Â Mr. Breskin 2 episodes, 1992
- Stephen Mendel
- Â Frank 2 episodes, 1991
- Bernardo Hiller
- Â Mr. Sachs 2 episodes, 1991
- Barbra Brighton
- Â Leslie 2 episodes, 1991
- Casey Kasem
- Â Casey Kasem 2 episodes, 1989-1992
- Monty Hoffman
- Â Coach Sonski / ... 2 episodes, 1991
- Jennifer McComb
- Â Laura 2 episodes, 1991
- Eva Loseth
- Â Christina 2 episodes, 1991
- Lew Horn
- Â Mr. Moody 2 episodes, 1991
- Maris Clement
- Â Ms. Culpepper 1 episode, 1991-1992
- Kirsten Holmquist
- Â Rhonda Robistelli 1 episode, 1989
- David Marcus
- Â Norman Hattenbak 1 episode, 1990
- Jeff Asch
- Â Maxwell Nerdstrom 1 episode, 1990-1992
- Dark Sevier
- Â Gary 1 episode, 1991
- Jennifer Blanc-Biehn
- Â Melissa 1 episode, 1992
- Jeremiah Birkett
- Â Ken Kelly 1 episode, 1992
- Louan Gideon
- Â Mrs. Becky Belding 1 episode, 1992
- Gary Beach
- Â Gem Diamond 1 episode, 1992
- Rana Haugen
- Â J.B. Slater 1 episode, 1992
- Ruth Buzzi
- Â Roberta Powers 1 episode, 1990
- Michael McManus
- Â Mr. Manfredi 1 episode, 1990
- Cylk Cozart
- Â Lt. Chet Adams 1 episode, 1990
- Greg Kean
- Â Adam Trask 1 episode, 1990
- Edward Blatchford
- Â Rod Belding 1 episode, 1990
- I.M. Hobson
- Â Mr. Hudson 1 episode, 1990
- John Mansfield
- Â Mr. Frank Kapowski 1 episode, 1990
- Jordan Christopher Michael
- Â Billy 1 episode, 1991
- Benjamin King
- Â Craig Strand 1 episode, 1991
- Krystee Clark
- Â Kristy Barnes 1 episode, 1991
- David Kriegel
- Â Graham 1 episode, 1991
- Eddie Garcia
- Â Johnny Dakota 1 episode, 1991
- Patrick J. Dancy
- Â Brian Watkins 1 episode, 1991
- John Welsh
- Â Mr. Richter 1 episode, 1991
- Gary Lahti
- Â Dan Grayson 1 episode, 1991
- Christopher Carroll
- Â Bartholomew 1 episode, 1991
- Nick Brooks
- Â Brian Fate 1 episode, 1991
- Soleil Moon Frye
- Â Robin 1 episode, 1992
- Andrew Bowen
- Â Matt Wilson 1 episode, 1992
- Henry Polic II
- Â Mr. Bainbridge 1 episode, 1992
- Shana Furlow
- Â Joanna 1 episode, 1992
- Loren Freeman
- Â Mr. Lazaar 1 episode, 1992
- Ronnie Schell
- Â Elliot Stingwell 1 episode, 1989
- Avery Schreiber
- Â Dr. Mertz 1 episode, 1989
- John Moschitta Jr.
- Â Mr. Testaverde 1 episode, 1989
- Scott Fults
- Â Charlie 'Crater Face' Coburn 1 episode, 1989
- Hank Stratton
- Â Tony Crane 1 episode, 1989
- Gino De Mauro
- Â Marvin Nedick 1 episode, 1989-1992
- Nancy Valen
- Â Jennifer 1 episode, 1990-1992
- Mary Pat Gleason
- Â Madame Oeuf 1 episode, 1990
- Timothy Williams
- Â Brett 1 episode, 1990
- Laura Mooney
- Â Nicki Kapowski 1 episode, 1990
- Dehl Berti
- Â Chief Henry 1 episode, 1990
- Raf Mauro
- Â Mr. Dickerson 1 episode, 1990
- Sean Masterson
- Â Lt. Thompson 1 episode, 1990
- Christine Taylor
- Â Heather Brooks 1 episode, 1991
- Larry Cedar
- Â Steven Jameson 1 episode, 1991
- Hiram Kasten
- Â Mr. Phelps 1 episode, 1991
- Judy Carmen
- Â Wendy Parks 1 episode, 1991
- Brandon Tartikoff
- Â Brandon Tartikoff 1 episode, 1991
- Stacie Foster
- Â Mindy 1 episode, 1991
- Hillary Hayes
- Â Allison 1 episode, 1991
- Susan Osborne
- Â Mrs. Billingham 1 episode, 1991
- John McCann
- Â Congressman Shepard 1 episode, 1992
- Stephanie Furst
- Â Jennifer Wade 1 episode, 1992
- Jon Clair
- Â Darren Brooks 1 episode, 1992
- Frankie Como
- Â Coach Rizzo 1 episode, 1992
- Guy Genish
- Â Earl 1 episode, 1992
- Hamilton Camp
- Â Mr. Margolies 1 episode, 1989
- Bess Meyer
- Â Vicki 1 episode, 1989
- Henry Brown
- Â Mr. Turtle 1 episode, 1989
- Bunny Summers
- Â Mrs. Cummings 1 episode, 1989
- Nicolas Read
- Â Derrick 1 episode, 1989
- Patrika Darbo
- Â Mrs. Hatcher 1 episode, 1990
- Jodi Peterson
- Â Penny Belding 1 episode, 1990
- Julie St. Claire
- Â Danielle 1 episode, 1991
- Jacquelyn Hyde
- Â Madonna Schwartzkauf 1 episode, 1991
- Lisa Montgomery
- Â Jeanette 1 episode, 1991
- Jesse Wilson
- Â Neil 1 episode, 1992
- Thomas Obeid
- Â Mervin 1 episode, 1992
- Tom Williams
- Â Baby Voices 1 episode, 1990
- Bel Hernandez
- Â Martha 1 episode, 1992
- C.W. Hemingway
- Â Dan Clegg 1 episode, 1989
- D. Danny Warhol
- Â Irwin Consodine / ... (uncredited) 19 episodes, 1991-1992
- Scott Wolf
- Â Waiter at the Max / ... (uncredited) 8 episodes, 1990-1992
- Angella Kaye
- Â Student / ... (uncredited) 7 episodes, 1990-1991
- Matthew Michael Ross
- Â Nerd (uncredited) 5 episodes, 1989
- Kurt Krakowian
- Â Larry (uncredited) 3 episodes, 1991-1992
- Michael Warwick
- Â Franklin Finkley (uncredited) 3 episodes, 1991
- Mark Diamond
- Â Mr. Bennett (uncredited) 3 episodes, 1989-1992
- Dylan Tucker
- Â Butch (uncredited) 2 episodes, 1990-1992
- Madonna Grimes
- Â Terri / ... (uncredited) 2 episodes, 1991-1992
- Casper Van Dien
- Â Student (uncredited) 2 episodes, 1991
- Dolly Thicke
- Â Brenda (uncredited) 2 episodes, 1992
- Aimee Brooks
- Â Buffy (uncredited) 1 episode, 1989
- Joe Davis
- Â Coach (uncredited) 1 episode, 1989
- Tracey Flint
- Â Hilary (uncredited) 1 episode, 1989
- Robert Zameroski
- Â Surfer (uncredited) 1 episode, 1989
- Seth Howard
- Â Tommy (uncredited) 1 episode, 1989
- Roger Reinhart
- Â Janitor (uncredited) 1 episode, 1989
- Ron Reedy
- Â Student (uncredited) 1 episode, 1989
- Marshall Harrison
- Â Student (uncredited) 1 episode, 1989
- Jennifer Lyons
- Â Jennie Tyler (uncredited) 1 episode, 1990
- Katie Layman
- Â Mrs. Bickerstaff (uncredited) 1 episode, 1990
- Mark Neal
- Â Kyle Kapowski (uncredited) 1 episode, 1990
- Dan Eisenstein
- Â Nerd (uncredited) 1 episode, 1990
- Justine Lenore
- Â Nurse Butcher (uncredited) 1 episode, 1990
- Tracia Lofdahl
- Â Molly (uncredited) 1 episode, 1990
- Denise Richards
- Â Cynthia (uncredited) 1 episode, 1991
- Eric Dane
- Â Tad Pogue (uncredited) 1 episode, 1991
- Jeffrey Weissman
- Â The High Geek (uncredited) 1 episode, 1991
- Regina Russell Banali
- Â Rachel (uncredited) 1 episode, 1991
- Robert Neary
- Â Weekend Guest (uncredited) 1 episode, 1991
- Ann Savage
- Â Mrs. Thornhill (uncredited) 1 episode, 1991
- Leonard Crofoot
- Â Eddie (uncredited) 1 episode, 1991
- Jeanne Basone
- Â Girl at the Beach (uncredited) 1 episode, 1991
- Matt Kaminsky
- Â Peter Breschnev (uncredited) 1 episode, 1991
- Tiffany Taubman
- Â Ava (uncredited) 1 episode, 1991
- Alberto Vazquez
- Â Cook's Helper (uncredited) 1 episode, 1991
- Tim Perez-Ross
- Â Skulnick (uncredited) 1 episode, 1991
- Mark Taormino
- Â Club Patron - Silent Bit (uncredited) 1 episode, 1991
- Scott Shaw
- Â Surfer Craig (uncredited) 1 episode, 1991
- Carolyn Chiodini-Cable
- Â Courtney (uncredited) 2 episodes, 1991-1992
- Bryn Erin
- Â Linda (uncredited) 1 episode, 1991
- David Donah
- Â Norman Schmeltzer (uncredited) 1 episode, 1991
- Tony Sabin Prince
- Â Sports Salesman (uncredited) 1 episode, 1991
- Tiffany Glass
- Â Waitress (uncredited) 1 episode, 1991
- Cat Noel
- Â Girl (uncredited) 1 episode, 1991
- Christine Kendrick
- Â Kimberly (uncredited) 1 episode, 1991
- Justin Warfield
- Â Student in Hallway (uncredited) 1 episode, 1991
- Nicole Cropper
- Â Sue Metrick (uncredited) 1 episode, 1991
- Rie Hadinger Attridge
- Â Janet (uncredited) 1 episode, 1991
- Matt Mindell
- Â Guy (uncredited) 1 episode, 1991
- Tom Bliss
- Â Sid (uncredited) 1 episode, 1991
- Jennifer Diane Hanson
- Â Girl at Beach (uncredited) 1 episode, 1991
- Emily Pearson
- Â Party Girl (uncredited) 1 episode, 1991
- John Altobello III
- Â Ice Cream Guy (uncredited) 1 episode, 1991
- Ken Fournier
- Â Candid Video Host / ... (uncredited) 1 episode, 1991
- Michael Jai White
- Â Military Police Man #2 (uncredited) 1 episode, 1992
- Amy Weber
- Â Chloe (uncredited) 1 episode, 1992
- Elizabeth Anne Allen
- Â Veronica (uncredited) 1 episode, 1992
- Ford Austin
- Â Todd (uncredited) 1 episode, 1992
- Adam Boster
- Â Break Dancer (uncredited) 1 episode, 1992
- Marc Wasserman
- Â Ted (uncredited) 1 episode, 1992
- Jeremy Sylvers
- Â Tommy (uncredited) 1 episode, 1992
- Darrel Guilbeau
- Â Cathy's Date (uncredited) 1 episode, 1992
- Angel Jager
- Â Tammi (uncredited) 1 episode, 1992
- K. Jill Sorgen
- Â Glee Club Member (uncredited) 1 episode, 1992
- Kym Shirkani
- Â Cathy (uncredited) 1 episode, 1992
- Laura Gail
- Â Science Student (uncredited) 1 episode, 1992
- John Gripentrog
- Â Mr. Heimlich (uncredited) 1 episode, 1992
- Ray K. Morris
- Â Rick (uncredited) 1 episode, 1992
- Steven Saltz
- Â Dude (uncredited) 1 episode, 1992
- Mike Kartman
- Â Friend #1 (uncredited) 1 episode, 1992