- Kyle C. Sullivan
- Â Self / ... 178 episodes, 2010-2020
- Ian Conn
- Â Self / ... 81 episodes, 2011-2021
- Allison Devery
- Â Self / ... 50 episodes, 2015-2020
- Ethan Gelinas
- Â Self / ... 47 episodes, 2014-2019
- Jefferey Neely
- Â Self / ... 42 episodes, 2012-2019
- Rachel Butcher
- Â Self / ... 35 episodes, 2014-2019
- Joey Basham
- Â Self / ... 24 episodes, 2015-2019
- John Paul De Ovando
- Â Self / ... 19 episodes, 2011-2019
- Ricky Linn
- Â Self / ... 17 episodes, 2011-2020
- Jon Currie
- Â Jebediah Kerman / ... 15 episodes, 2011-2019
- Matt Locke
- Â Doge Enrico Dandolo / ... 14 episodes, 2015-2020
- Cesar Riojas
- Â Whale-Obsessed Protester / ... 8 episodes, 2015-2019
- Ollie Goss
- Â Dell Laptop / ... 7 episodes, 2015-2019
- Erin Cain
- Â Greek Scout / ... 5 episodes, 2015-2021
- Reid Sullivan
- Â Spy / ... 5 episodes, 2011-2016
- Thomas Devery
- Â Framing Magician / ... 3 episodes, 2018-2019
- Michael Sullivan
- Â Bemused Neighbor / ... 3 episodes, 2015-2018
- Sharmita Bhattacharya
- Â Empress Theodora 3 episodes, 2015-2016
- Kirk Lundblade
- Â Robber / ... 2 episodes, 2015-2017
- James Bowman
- Â Aristotle / ... 2 episodes, 2015-2016
- Amanda Haley
- Â News Anchor / ... 2 episodes, 2015-2016
- Edwin Quinones
- Â Kupe / ... 2 episodes, 2016-2019
- Matthew Welter
- Â Awesome Man / ... 2 episodes, 2015
- Sophia Tallon
- Â Catherine the Great 2 episodes, 2015-2016
- Nathan Yoder
- Â Group Photo Participant / ... 2 episodes, 2017-2019
- Carolyn Dellinger
- Â Eleanor of Aquitane / ... 2 episodes, 2017-2019
- Indy Guest
- Â Cave Johnson 1 episode, 2015
- Shannon Mack
- Â Blue Player 1 episode, 2015
- Lance Barnett
- Â Team Rocket Grunt #1 1 episode, 2016
- Tim Kish
- Â Drunk Burglar 1 episode, 2017
- Dom Fera
- Â Dr. DestroytheWorld 1 episode, 2018
- Mark Hulmes
- Â Wizard 1 episode, 2018
- Brian Lewis
- Â Commentator 1 episode, 2019
- Matt Linn
- Â Mayor 1 episode, 2019
- Marina Aligh
- Â Alyx Vance 1 episode, 2016
- Scott Manley
- Â Supervisor 1 episode, 2016
- Paul Grubb
- Â Team Rocket Grunt #2 1 episode, 2016
- Jonti Picking
- Â Villain 1 episode, 2018
- Bill Mumford
- Â Burglar 1 episode, 2019
- Kayla Trevathan
- Â Neighbor 1 episode, 2012
- Chris Adams
- Â Combine Soldier 1 episode, 2016
- Avery Currie
- Â Larisa Angley 1 episode, 2016
- Isaac Hirsch
- Â Hostage 1 episode, 2017
- Mukul Seth
- Â Store Owner 1 episode, 2017
- Zac Tinney
- Â Steve Rogers 1 episode, 2018
- Jamie Larkins
- Â Guy Posing 1 episode, 2011
- Devlin Hyatt
- Â Rebel 1 episode, 2015
- Nicole Dault
- Â Green Player 1 episode, 2015
- Chris Trott
- Â Orc #3 1 episode, 2018
- Thomas Rim
- Â The Foreman 1 episode, 2020
- David Valenzia
- Â Cashier 1 episode, 2011
- Alex Smith
- Â Orc #1 1 episode, 2018
- Jack De Sena
- Â NootNoot / ... 1 episode, 2020
- Felicia Day
- Â Self 1 episode, 2017
- Ross Hornby
- Â Orc #2 1 episode, 2018
- Digby Tatham-Warters
- Â The Avian 1 episode, 2020
- Josh O'Rourke
- Â Volleyball Player #1 1 episode, 2011
- Rachel Rhyne
- Â Volleyball Player #2 1 episode, 2011
- Joy Y. Lin
- Â Empress Wu Zetian 1 episode, 2016
- Keanan Foley
- Â Alternate Universe Suleiman 1 episode, 2017
- Tracey Watkins
- Â Booth Operater 1 episode, 2017
- Jeremiah Jackson
- Â Con Attendee #1 1 episode, 2017
- Vince Zell
- Â Spider-Man Fanatic 1 episode, 2017
- Virginia Nagel
- Â Con Attendee #2 1 episode, 2017
- Joel Jamison
- Â Spider-Man Fanatic 1 episode, 2017
- Paraic Mulgrew
- Â Human Fighter 1 episode, 2017
- Julia Lamb
- Â Spider-Man Fanatic 1 episode, 2017
- Tiffany Riojas
- Â Door Monster Fan 1 episode, 2018
- Josey Porras
- Â Dido 1 episode, 2019
- Erin Cooke
- Â Group Photo Participant 1 episode, 2019
- Jeremy Bilbo
- Â Mansa Musa 1 episode, 2019
- Gordon Parsons
- Â Luigi 1 episode, 2019
- Peter J. Sattler
- Â Group Photo Participant 1 episode, 2019
- Zachary Perkins
- Â Group Photo Participant 1 episode, 2019
- Chris Lundblade
- Â Luigi 1 episode, 2019
- Issac Ennis
- Â Luigi 1 episode, 2019
