- Glenn Howerton
- Â Jack Griffin 42 episodes, 2018-2021
- Lyric Lewis
- Â Stef Duncan 42 episodes, 2018-2021
- Mary Sohn
- Â Mary Wagner 42 episodes, 2018-2021
- Jean Villepique
- Â Michelle Jones 42 episodes, 2018-2021
- Patton Oswalt
- Â Principal Ralph Durbin 42 episodes, 2018-2021
- Aparna Brielle
- Â Sarika 42 episodes, 2018-2021
- Nick Peine
- Â Marcus 42 episodes, 2018-2021
- Allisyn Snyder
- Â Heather 42 episodes, 2018-2021
- Eddie Leavy
- Â Anthony 42 episodes, 2018-2021
- Jacob Houston
- Â Victor 42 episodes, 2018-2021
- Sari Arambulo
- Â Grace 41 episodes, 2018-2021
- Spence Moore II
- Â Dan Decker 40 episodes, 2018-2021
- Paula Pell
- Â Helen Henry Demarcus 37 episodes, 2018-2021
- Marisa Baram
- Â Marissa 34 episodes, 2018-2021
- Miguel Lee
- Â Eduardo 30 episodes, 2018-2021
- Jacob Timothy Manown
- Â Caleb 29 episodes, 2019-2021
- Charlie McCrackin
- Â Dick Novak / ... 22 episodes, 2018-2021
- David Neher
- Â Dave 17 episodes, 2018-2021
- Elizabeth Alderfer
- Â Lynette 16 episodes, 2019-2021
- Brendan Jennings
- Â Dale 15 episodes, 2018-2021
- Tom Bennett
- Â Miles 13 episodes, 2018
- Jacob McCarthy
- Â Devin 13 episodes, 2018
- Tucker Albrizzi
- Â Colin 13 episodes, 2018
- Yuyao Deng
- Â Yuyao 12 episodes, 2018-2021
- Jaime Moyer
- Â Joyce 8 episodes, 2019-2021
- Brad Morris
- Â Keith 7 episodes, 2019-2021
- Cheryl Lynn Bowers
- Â Rosemary / ... 4 episodes, 2020-2021
- Hayley Marie Norman
- Â Shayla 4 episodes, 2021
- Patricia Belcher
- Â Superintendent / ... 3 episodes, 2018-2021
- Collette Wolfe
- Â Meredith 3 episodes, 2018
- Ron Funches
- Â Hans 3 episodes, 2018-2021
- Ike
- Â Chloe 3 episodes, 2019
- Lori Alan
- Â Didi 2 episodes, 2018
- David Gborie
- Â Gary / ... 2 episodes, 2019-2020
- Hans Holsen
- Â Heather's Dad / ... 2 episodes, 2018-2019
- Allison Bills
- Â Trudy 2 episodes, 2021
- Jane Morris
- Â Rhonda 2 episodes, 2020-2021
- Freedom Bridgewater
- Â Delivery Guy / ... 2 episodes, 2019
- Dominique Morton
- Â Angry Student / ... 2 episodes, 2018
- Ben Seeder
- Â Scott Hawk (Security Guard) / ... 2 episodes, 2019-2021
- Niecy Nash
- Â Kim 1 episode, 2018
- Michael Gross
- Â Brandon 1 episode, 2018
- Christopher Lloyd
- Â Melvin 1 episode, 2019
- Tim Heidecker
- Â Greg 1 episode, 2019
- Meagen Fay
- Â Sister Frances 1 episode, 2019
- John Pirruccello
- Â Principal Kling 1 episode, 2019
- Joe Manganiello
- Â Malachi 1 episode, 2021
- Bruce Campbell
- Â John Griffin 1 episode, 2021
- Ayden Mayeri
- Â Kate 1 episode, 2019
- Tania Gunadi
- Â Sarah 1 episode, 2019
- Brooks Wheelan
- Â Seth 1 episode, 2019
- Jill Basey
- Â Dr. Stumpf 1 episode, 2019
- Nancy Friedrich
- Â Sister Monica 1 episode, 2019
- Laura Kightlinger
- Â Gabrielle 1 episode, 2021
- Jon Lovitz
- Â Robin Schwonk 1 episode, 2020
- Laird Macintosh
- Â Mark 1 episode, 2020
- Maria Thayer
- Â Molly 1 episode, 2020
- Kellee Stewart
- Â Marjorie 1 episode, 2020
- Erinn Hayes
- Â Trish 1 episode, 2018
- Nikki Glaser
- Â Chloe 1 episode, 2018
- Tricia O'Kelley
- Â Sadie 1 episode, 2018
- Mike O'Gorman
- Â Chase 1 episode, 2018
- Steve Jones
- Â Steve Jones 1 episode, 2018
- Rick Overton
- Â House Father 1 episode, 2020
- Taran Killam
- Â Mr. Vining 1 episode, 2018
- Angela Kinsey
- Â Brenda 1 episode, 2018
- Lisa Loeb
- Â Lisa Loeb 1 episode, 2018
- Flavor Flav
- Â Flavor Flav 1 episode, 2018
- Clayton English
- Â David 1 episode, 2018
- Mark Proksch
- Â Philip 1 episode, 2018
- Bill Nye
- Â Bill Nye 1 episode, 2018
- Kaison Williams
- Â Jeffy 1 episode, 2018
- Saidah Arrika Ekulona
- Â School Board Beth 1 episode, 2018
- Anjali Bhimani
- Â Sarika's Mom 1 episode, 2018
- Will Greenberg
- Â Dave Eggleston 1 episode, 2018
- Jessica Garza
- Â Mia 1 episode, 2018
- Karly Rothenberg
- Â Agatha 1 episode, 2020
- Tess Aubert
- Â Gwen 1 episode, 2021
- Maxwell Simkins
- Â Max 1 episode, 2021
- Janine Brito
- Â Kylie 1 episode, 2021
- Tim Lounibos
- Â Cliff 1 episode, 2018
- Jarvis W. George
- Â Electronni 1 episode, 2021
- Eden Riegel
- Â Katie 1 episode, 2018
- Brianne Tju
- Â Dallas 1 episode, 2018
- Zach Reino
- Â Chops 1 episode, 2018
- Jason Huber
- Â Victor's Dad 1 episode, 2018
- Tiago Roberts
- Â Bachelor I 1 episode, 2019
- Clint Culp
- Â Constrution Worker 1 episode, 2019
- Dan Gilvary
- Â Priest 1 episode, 2019
- Tate Birchmore
- Â Young Jack 1 episode, 2020
- Johnny Pemberton
- Â Piano Player 1 episode, 2021
- David Douglas
- Â Paul (Waiter) 1 episode, 2021
- Holly Laurent
- Â Waiter 1 episode, 2021
- Emily Tunon
- Â Vicky 1 episode, 2018
- Chris Gehrt
- Â Pizza Guy 1 episode, 2019
- Arthur Keng
- Â Waiter 1 episode, 2019
- Danielle Demski
- Â Sandra 1 episode, 2019
- Susan Berger
- Â Dollhouse Lady 1 episode, 2020
- Lilián GarcÃa
- Â Lilian Garcia 1 episode, 2020
- Sohm Kapila
- Â Meena 1 episode, 2020
- Kendra Munger
- Â Dr. Gordon 1 episode, 2020
- Chloe Csengery
- Â Ashley 1 episode, 2021
- Jet Eveleth
- Â Celes' 1 episode, 2021
- Darrell Dennis
- Â Detective #1 1 episode, 2021
- Michael Canetty
- Â Old Man 1 episode, 2021
- Allison Davies
- Â Dutch Bonnet Lady 1 episode, 2021
- John D'Aquino
- Â Dean Warren Richardson 1 episode, 2018
- Samantha Follows
- Â Victor's Mom 1 episode, 2018
- Kalpana Potaraju
- Â Nice Woman #2 1 episode, 2018
- James William O'Halloran
- Â Rob 1 episode, 2019
- Ian Alda
- Â Randy 1 episode, 2019
- Max Silvestri
- Â Admiral 1 episode, 2019
- Justin Tinucci
- Â Bully 1 episode, 2019
- Sam Lazarus
- Â Reporter 1 episode, 2019
- Aron Stevens
- Â Tennessee Ronnie Log 1 episode, 2020
- Anissa Borrego
- Â Amanda 1 episode, 2021
- Kelli Dawn Hancock
- Â Bartender 1 episode, 2018
- Jonathan T. Floyd
- Â Repairman 1 episode, 2018
- Xander Evans
- Â Russian Student 1 episode, 2018
- Sam Valentine
- Â Christina 1 episode, 2019
- Zylan Brooks
- Â Admissions Officer 1 episode, 2019
- Alfred Adderly
- Â EMT 1 episode, 2019
- April Adams
- Â Mavis 1 episode, 2019
- Hadiyah Robinson
- Â Mrs. Baxter 1 episode, 2020
- Matthew Campbell Dowling
- Â Waiter 1 episode, 2020
- Jordan Ghaim
- Â Fanatic #1 1 episode, 2020
- Nicholas Peters
- Â Nicholas 1 episode, 2021
- Sonya Wallace
- Â Detective #2 1 episode, 2021
- Tia Valentine
- Â Crystal (Cool Kid #2) 1 episode, 2021
- Rheagan Wallace
- Â Nice Woman #1 1 episode, 2018
- Andrew Hansen
- Â Tech Guy 1 episode, 2018
- Rebecca Sohn
- Â Prude Mom 1 episode, 2018
- Brett Edwards
- Â Chaz 1 episode, 2019
- Jamila Webb
- Â Kelly 1 episode, 2019
- Phil Miler
- Â Oberlin Recruiter 1 episode, 2019
- Elizabeth Guest
- Â Gretchen 1 episode, 2020
- Marina Shtoda
- Â Dale's Wife 1 episode, 2020
- Denisse Ojeda
- Â Erica 1 episode, 2020
- Orion Askinosie
- Â Chris (Cool Kid #1) 1 episode, 2021
- Adam Conway
- Â Adam 1 episode, 2021
- Ashley Tapia
- Â Ashley 1 episode, 2021
- Eric Normington
- Â Publishing Executive 1 episode, 2018
- Stanley Ullman
- Â Bus Driver 1 episode, 2018
- Michelle Kim
- Â Hostess 1 episode, 2019
- John Ponzio
- Â Fred the Teacher 1 episode, 2019
- Harper Colbert
- Â Jack's Kid #1 1 episode, 2019
- Bryan Michael Nunez
- Â Travis 1 episode, 2020
- Ruben Dario
- Â Dad 1 episode, 2020
- Pat McNeely
- Â Mrs. Goodman 1 episode, 2020
- Calder Holbrook
- Â Fanatic #2 1 episode, 2020
- Ronnie Alvarez
- Â Waiter 1 episode, 2019
- Max Colbert
- Â Jack's Kid #2 1 episode, 2019
- Cullen G. Chambers
- Â Mr. On-Your-Left 1 episode, 2020
- Ed Taylor
- Â Bearded Man 1 episode, 2020
- Jill Czarnowski
- Â Mom 1 episode, 2020
- Eliza Shin
- Â Nurse 1 episode, 2021
- Jordan Ashley Delgado
- Â Jen 1 episode, 2021
- Greg 'Christopher' Smith
- Â Referee 1 episode, 2019
- Elizabeth Phoenix Caro
- Â Young Girl 1 episode, 2020
- Aidan Bertola
- Â Kid 1 episode, 2020
- Gilberto Ortiz
- Â Steve Dunn 1 episode, 2021
- Micaela Wittman
- Â Katie Holmes 1 episode, 2020
- Gilbert James Talbot
- Â Don Chacho 1 episode, 2020
- Lisa Long
- Â Dr. Asher 1 episode, 2021
- Olivier Paris
- Â Young Jack 1 episode, 2021
- Douglas Bennett
- Â Bob (Jug Band Member) 1 episode, 2020
- Hope Shapiro
- Â Caleb's Mother 1 episode, 2020
- Argenis Pirela
- Â School Board Member (uncredited) 2 episodes, 2018
- David Sampen
- Â Fort Wayne Hockey Player (uncredited) 1 episode, 2018
- Janise Anthony
- Â Party Guest (uncredited) 1 episode, 2018
- Reuben J. Lee
- Â Fort Wayne Hockey Player (uncredited) 1 episode, 2018
- George Dyck
- Â Cheating Student (uncredited) 1 episode, 2018
- Jennifer Bliman
- Â French Horn Student (uncredited) 1 episode, 2019
- Rosa Liz Marmolejo
- Â Student (uncredited) 1 episode, 2019
- Kevyn Bashore
- Â Prairie Teacher (uncredited) 1 episode, 2019
- Michael Joseph
- Â Bachelor (uncredited) 1 episode, 2019
- Paul Ray
- Â Rams Basketball Player (uncredited) 1 episode, 2019
- Ryan Nemeth
- Â Hunky Wrestler (uncredited) 1 episode, 2020
- Katarina Severen
- Â Pro Wrestler (uncredited) 1 episode, 2020
- Hal Dion
- Â Mr. Goodman (uncredited) 1 episode, 2020
- Delmiko Blair
- Â Garfield Phone Guy (uncredited) 1 episode, 2020
- Tanner Woodard
- Â Bartender (uncredited) 1 episode, 2021