- William G. Schilling
- Â Dr. Harold Samuels 114 episodes, 1986-1991
- Jeannetta Arnette
- Â Bernadette Meara 114 episodes, 1986-1991
- Dan Frischman
- Â Arvid Engen 114 episodes, 1986-1991
- Robin Givens
- Â Darlene Merriman 114 episodes, 1986-1991
- Khrystyne Haje
- Â Simone Foster 114 episodes, 1986-1991
- Tony O'Dell
- Â Alan Pinkard 114 episodes, 1986-1991
- Brian Robbins
- Â Eric Mardian 114 episodes, 1986-1991
- Kimberly Russell
- Â Sarah Nevins 114 episodes, 1986-1991
- Dan Schneider
- Â Dennis Blunden 114 episodes, 1986-1991
- Howard Hesseman
- Â Charlie Moore 92 episodes, 1986-1990
- Tannis Vallely
- Â Janice Lazarotto 69 episodes, 1986-1991
- Leslie Bega
- Â Maria Borges 68 episodes, 1986-1990
- Joher Coleman
- Â Jawaharlal Choudhury 68 episodes, 1986-1990
- Rain Pryor
- Â T.J. Jones 52 episodes, 1988-1991
- Michael DeLorenzo
- Â Alex Torres 47 episodes, 1989-1991
- Lara Piper
- Â Viki Amory 47 episodes, 1989-1991
- De'voreaux White
- Â Aristotle McKenzie 47 episodes, 1989-1991
- Ke Huy Quan
- Â Jasper Kwong 27 episodes, 1990-1991
- Billy Connolly
- Â Billy MacGregor 22 episodes, 1990-1991
- Oliver Theess
- Â Student / ... 2 episodes, 1988-1991
- Marcia Christie
- Â Lori Applebaum 11 episodes, 1986-1991
- Peter Vogt
- Â Mr. Dorfman 6 episodes, 1987-1991
- Reed Rudy
- Â Barry Vincent 4 episodes, 1986-1989
- Kirsten Holmquist
- Â Monica Kisselback 4 episodes, 1989-1991
- Christine Elise
- Â Rhonda Gielgud 3 episodes, 1988-1990
- Lisa Fuller
- Â Tami 3 episodes, 1988-1989
- John Cameron Mitchell
- Â Manfred Lutz 3 episodes, 1987-1990
- Jodee Williger
- Â Nancy Dresher / ... 3 episodes, 1989-1991
- Enid Kent
- Â Mrs. Maureen Foster 3 episodes, 1988-1990
- Ray Jessel
- Â Mr. Wafting 2 episodes, 1989-1990
- Olga Kabo
- Â Tamara 2 episodes, 1988
- Valri Bromfield
- Â Ms. Holly Collingwood 2 episodes, 1989
- Lori Petty
- Â Molly 2 episodes, 1987
- Ray Buktenica
- Â Coach Frank Tarrash 2 episodes, 1989
- Leon Fan
- Â Billy Chin 2 episodes, 1987
- Galina Orlova
- Â Lara (Eric's Cousin) 2 episodes, 1988
- Alan Haufrect
- Â Dr. Milnor 2 episodes, 1989
- Elaine Stritch
- Â Mrs. Hartman 2 episodes, 1990
- Sue Giosa
- Â Moderator 2 episodes, 1987-1990
- Tom Lillard
- Â Marine Recruiter / ... 2 episodes, 1988-1990
- Bruce Gray
- Â Dr. Enric Engen 2 episodes, 1988
- Irina Zueva
- Â Natasha 2 episodes, 1988
- Beverly Leech
- Â Nancy Cole 2 episodes, 1989
- Jason Kristofer
- Â Zach Butler 2 episodes, 1990
- Ilona Zabrodova
- Â Sonya 2 episodes, 1988
- Charles Noland
- Â Foreman / ... 2 episodes, 1990-1991
- Viktor Shulgin
- Â Eric's Grandpa 2 episodes, 1988
- Buzz Sapien
- Â Workman 2 episodes, 1991
- J. Patrick McNamara
- Â Mr. Foster 2 episodes, 1988-1989
- Billy Stevenson
- Â Jeff 2 episodes, 1988-1989
- Vasily Yatskin
- Â Piotr Rybakov 2 episodes, 1988
- Kellie Overbey
- Â Jackie / ... 2 episodes, 1987-1991
- David Pomeranz
- Â David Pomeranz 2 episodes, 1988
- Joanna Lipari
- Â Drugstore Patron / ... 1 episode, 1987-1989
- Lev Prygunov
- Â Administrator Anatoly Kirov 2 episodes, 1988
- Nicholas Malikov
- Â Team Coach Vasiliy 2 episodes, 1988
- Yuri Yurovsky
- Â Presidential Attache 2 episodes, 1988
- Vasily Rybin
- Â Moderator Ivan Popov 2 episodes, 1988
- Vasily Petrenko
- Â Russian Policeman 2 episodes, 1988
- Andrey Tashkov
- Â Russian Policeman 2 episodes, 1988
- Cindy Millican
- Â Student 2 episodes, 1990
- Darryl Tribble
- Â Student 2 episodes, 1990
- Mark Nordike
- Â Student 2 episodes, 1990
- Jocelyn Peden
- Â Student 2 episodes, 1990
- Maria Leone
- Â Student 2 episodes, 1990
- Matt Marfoglia
- Â Student 2 episodes, 1990
- Isabella Hofmann
- Â Suzanne McGraw 1 episode, 1986
- Roscoe Lee Browne
- Â Mr. Thomas 1 episode, 1986
- Maggie Han
- Â Shayeeda 1 episode, 1986
- Milton James
- Â Mr. Choudhury 1 episode, 1986
- David Chemel
- Â Hamlet 1 episode, 1986
- Vincent Schiavelli
- Â Herman 1 episode, 1987
- Kevin McCarthy
- Â Lawrence P. Whitley 1 episode, 1987
- Christian Clemenson
- Â Dave Nash 1 episode, 1987
- Keone Young
- Â The Moderator 1 episode, 1987
- John D'Aquino
- Â Lance 1 episode, 1987
- Robert Hooks
- Â Mr. Nevins 1 episode, 1987
- Scotch Ellis Loring
- Â Jeff 1 episode, 1987
- Donna Ponterotto
- Â Dr. Beth Westin 1 episode, 1987
- Kristen Trucksess
- Â Melissa Finch 1 episode, 1987
- Tom Henschel
- Â Mr. Marshall 1 episode, 1987
- Dan Lauria
- Â Mr. Mardian 1 episode, 1988
- Nichelle Nichols
- Â Nichelle Nichols 1 episode, 1988
- Suzanne Snyder
- Â Nancy Mayer 1 episode, 1988
- Claudette Nevins
- Â Lois Samuels 1 episode, 1988
- Sam McMurray
- Â Coach Finelli 1 episode, 1988
- Richard Steven Horvitz
- Â Oswald Bletch 1 episode, 1988
- Mary Carver
- Â Mrs. Miranda Russell 1 episode, 1988
- Thom Sharp
- Â Mr. Kimball 1 episode, 1988
- Mel Ryane
- Â Ms. Cargill 1 episode, 1988
- Richie Allan
- Â Tony Pappas 1 episode, 1988
- Brad Pitt
- Â Chuck 1 episode, 1989
- Adrienne Barbeau
- Â Gilda Manetti 1 episode, 1989
- Jack Gilford
- Â Wesley Winthrop 1 episode, 1989
- Terri Hoyos
- Â Mrs. Borges 1 episode, 1989
- B.J. Barie
- Â Tiny Bates 1 episode, 1989
- Garry Goodrow
- Â Sid Veemer 1 episode, 1989
- C.W. Hemingway
- Â Nerd 1 episode, 1989
- Kathleen Garrett
- Â Harvard Recruiter 1 episode, 1990
- Noor Shic
- Â Mrs. Choudhury 1 episode, 1986
- Cinda Jackson
- Â Dr. Lazaratto 1 episode, 1986
- NiCandra Hood
- Â Ophelia 1 episode, 1986
- Anne Haney
- Â Mrs. McClure 1 episode, 1987
- Joe Alaskey
- Â Jack 1 episode, 1987
- Dan Gerrity
- Â Chip 1 episode, 1987
- Danica Anderson
- Â Ingrid Arvid 1 episode, 1987
- Peter Cohl
- Â Richie Lipton 1 episode, 1987
- Patty McCormack
- Â Mrs. Mardian 1 episode, 1988
- Kenneth Mars
- Â Uncle Charlie 1 episode, 1988
- Cheryl Pollak
- Â Martha Cabot 1 episode, 1988
- Gregg Binkley
- Â Nerd 1 episode, 1988
- Billy 'Pop' Atmore
- Â Marcus 1 episode, 1988
- Paul Sylvan
- Â Paulie 1 episode, 1988
- Kristina Reiko Cooper
- Â Kristina Reed 1 episode, 1988
- Kathleen Freeman
- Â Nurse 1 episode, 1989
- Eric Bruskotter
- Â Buzz Sapien 1 episode, 1989
- Richard Libertini
- Â The Devil 1 episode, 1989
- Floyd Levine
- Â The Judge 1 episode, 1989
- Christopher Birt
- Â Ronnie 1 episode, 1989
- Jay Fenichel
- Â Mr. Grodnik 1 episode, 1989
- Jeremy Lawrence
- Â The Pharmacist 1 episode, 1989
- Joe D'Angerio
- Â Rich Michaels 1 episode, 1989
- Michael Flanagan
- Â Bartholomew 1 episode, 1989
- Bill Stevenson
- Â Student 1 episode, 1989
- Kristine Blackburn
- Â Louise Maitland 1 episode, 1989
- Debra Stipe
- Â Linda Bassler 1 episode, 1990
- David L. Lander
- Â Mr. Freelik 1 episode, 1990
- Harvey Jason
- Â Wadja Zog 1 episode, 1990
- Dick Patterson
- Â Lou 1 episode, 1990
- Joseph R. Sicari
- Â NYU Recruiter 1 episode, 1990
- Ben Frank
- Â Max 1 episode, 1990
- Duane Davis
- Â Daryl 1 episode, 1986
- William Edward Lewis
- Â Dr. Lazaratto 1 episode, 1986
- Kamlesh Chauhan
- Â Aunt Prema 1 episode, 1986
- Randy Oglesby
- Â Sobieski 1 episode, 1987
- Patrick O'Bryan
- Â The Kid 1 episode, 1987
- Scott Del Amo
- Â The Guy 1 episode, 1987
- Maggie Gwinn
- Â Myra 1 episode, 1987
- Samantha Kaye
- Â Jan 1 episode, 1987
- Jeris Poindexter
- Â Eddie 1 episode, 1988
- John DiSanti
- Â Mr. Blunden 1 episode, 1988
- Robin Frates
- Â Janice's Peer Mentee 1 episode, 1988
- Kimberley LaMarque
- Â Judge 1 episode, 1988
- Christiane Carman
- Â Andrea 1 episode, 1988
- Dave Duensing
- Â Randy 1 episode, 1988
- Trevor Weaver
- Â The Lowlife 1 episode, 1989
- Jimmy Briscoe
- Â Court Jester 1 episode, 1989
- James Occhino
- Â The Marshal 1 episode, 1989
- Marty Nedboy
- Â Vernon Wimple 1 episode, 1989
- Sandford Passman
- Â Dr. Kreinberg 1 episode, 1989
- Stephen Root
- Â Mr. Birch 1 episode, 1990
- Liz Torres
- Â Mrs. Torres 1 episode, 1990
- Denice Kumagai
- Â Mrs. Kwong 1 episode, 1990
- June Gable
- Â Greta Amory 1 episode, 1990
- Rosalind Cash
- Â Dr. Hayes 1 episode, 1990
- Shari Shattuck
- Â Ashley 1 episode, 1990
- David Dean Bottrell
- Â Chip 1 episode, 1990
- Rae Allen
- Â Sofia 1 episode, 1990
- Laura Waterbury
- Â Miss Coleman 1 episode, 1990
- Alison Brooks
- Â Student 1 episode, 1990
- Arlene Eustis
- Â Pauline Scott 1 episode, 1990
- Mary Lou Childs
- Â Betty Jean 1 episode, 1990
- T.E. Russell
- Â Bobby Pace 1 episode, 1991
- Dell Yount
- Â Waiter 1 episode, 1991
- Karen Ragan-George
- Â Mrs. Samuels 1 episode, 1991
- Richard Herkert
- Â The Waiter 1 episode, 1986
- Tom La Grua
- Â The Janitor 1 episode, 1987
- Artur Cybulski
- Â Josef 1 episode, 1987
- Lenna Robinson
- Â The Girl 1 episode, 1987
- Carol Dixon
- Â Sally Ozawa 1 episode, 1987
- Ryan Rushton
- Â Little Charlie 1 episode, 1988
- Kelly Ames
- Â Student 1 episode, 1988
- Amy Michelson
- Â Babette 1 episode, 1989
- Kelly Akai
- Â Girl #2 1 episode, 1989
- Carol Ann Susi
- Â Nurse Lemas 1 episode, 1990
- Gregory Scott Cummins
- Â Customer with Handgun 1 episode, 1990
- Tzi Ma
- Â Mr. Kwong 1 episode, 1990
- Tracy Fraim
- Â Lee 1 episode, 1990
- H. Richard Greene
- Â Mr. Finneman 1 episode, 1990
- Cynthia Mace
- Â Rose Gibson 1 episode, 1990
- Louise Caire Clark
- Â Joanna 1 episode, 1990
- Dominic Barto
- Â Carmine 1 episode, 1990
- Barry Vigon
- Â Warren Waxman 1 episode, 1990
- Ivette Soler
- Â Janet 1 episode, 1990
- Michelle Boudreau
- Â Colleen 1 episode, 1991
- Annie Yee
- Â Pat Ozawa 1 episode, 1987
- Dennis Caspary
- Â Danny 1 episode, 1987
- Cheryl Bianchi
- Â The Model 1 episode, 1987
- Danny Nesic
- Â Boris 1 episode, 1987
- Nancy Fish
- Â Mrs. Engen 1 episode, 1988
- Diana Mar
- Â Eric's 4:00 1 episode, 1988
- Daniel Rosen
- Â Scab Kosciuszko 1 episode, 1989
- Gina Garcia
- Â Girl #3 1 episode, 1989
- Gregory Itzin
- Â Meriner 1 episode, 1990
- Ron Frazier
- Â Ed 1 episode, 1990
- Lance Davis
- Â Store Owner 1 episode, 1990
- Maisy
- Â Self 1 episode, 1990
- Peter Lewis
- Â Cop #1 1 episode, 1990
- Marie Pollara
- Â Julliard Representative 1 episode, 1991
- Melissa Fahn
- Â Stephanie 1 episode, 1987
- Irene Korman
- Â Irena 1 episode, 1987
- Eddie Gray
- Â Roger 1 episode, 1987
- Leah Remini
- Â Eric's 4:40 1 episode, 1988
- Gloria Hayes
- Â Mrs. Borges 1 episode, 1988
- Virginia Watson
- Â Lucille 1 episode, 1990
- Frank Annese
- Â Enrico 1 episode, 1990
- Dominic Oliver
- Â Customer with Rifle 1 episode, 1990
- Ashley Austin
- Â Natasha 1 episode, 1987
- Susan Krebs
- Â Mrs. Blunden 1 episode, 1988
- Christopher Wynne
- Â Dwight 1 episode, 1990
- Patrice Jennings
- Â Tiana 1 episode, 1987
- Aleksandr Malinin
- Â Aleksandr Malinin 1 episode, 1988
- Howard Morris
- Â Lucas 1 episode, 1990
- Laura Carden
- Â Lara 1 episode, 1987
- Matt Maranian
- Â Alex 1 episode, 1987
- David Downing
- Â Mr. Merriman 1 episode, 1988
- Margie Llinas
- Â Anya 1 episode, 1987
- Marlene Clark
- Â Mrs. Merriman 1 episode, 1988
- Nina Maslova
- Â Russian Principal 1 episode, 1988
- Alexander Malinin
- Â Self 1 episode, 1988
- Alexander Zolkin
- Â Russian High-School Student 1 episode, 1988
- Vasilyev Artem
- Â Russian High-School Student 1 episode, 1988
- Anna Lysikova
- Â Russian High-School Student 1 episode, 1988
- Aleksandr Morozov
- Â Russian High-School Student 1 episode, 1988
- Natalia Fatushenko
- Â Russian High-School Student 1 episode, 1988
- Chiwe Gordon
- Â Malina 1 episode, 1988
- Buzz Aldrin
- Â Buzz Aldrin 1 episode, 1989
- Louise Alvarez
- Â Student (uncredited) 5 episodes, 1989
- Lito Wilson
- Â TJ (uncredited) 3 episodes, 1991
- Cliff Simms
- Â Remedial Student (uncredited) 2 episodes, 1989
- Paula Vasquez
- Â Student (uncredited) 1 episode, 1986
- Wendy Wells-Gunkel
- Â Class student (uncredited) 1 episode, 1987
- Gavin Ryan
- Â Student (uncredited) 1 episode, 1987
- Lorenzo Gaspar
- Â Student (uncredited) 1 episode, 1988
- Alexis Kasperavicius
- Â French Horn Player (uncredited) 1 episode, 1988
- Kevin Alexander Stea
- Â Dance Competitor (uncredited) 1 episode, 1989
- William Winckler
- Â Cowboy Teen (uncredited) 1 episode, 1989
- S. Scott Conner
- Â Class Student (uncredited) 1 episode, 1989
- Kristine Raney
- Â Cheerleader (uncredited) 1 episode, 1989
- Scott Shaw
- Â Bobby (uncredited) 1 episode, 1990
- Bentley Kyle Evans
- (uncredited) 1 episode, 1990
- Michael V. Scott
- Â Friend of Alex (uncredited) 1 episode, 1990