John Hartman is a writer and actor based in Los Angeles. Most recently he was a member of The Second City Mainstage in Chicago. There he wrote and performed in two revues, Panic on Cloud 9, for which he was nominated for a Joseph Jefferson Award for Best Actor, and Depraved New World, for which he won the Joseph Jefferson Award for Best Actor. He has written and performed two solo shows at The Annoyance Theatre, Your Friends and Enemies and I'm Sorry I Missed You, both of which received Time Out Chicago Critic's Picks. He has also performed solo shows at the TBS Just for Laughs Festival, UCB Theater in New York and the Comedy Central Stage in Los Angeles. He performs improv around Los Angeles at the iO West with the Summer Nights and at UCB with the musical improv powerhouse Baby Wants Candy. John is currently a performer in the CBS Diversity Showcase 2016, and half of the sketch duo Witaske & Hartman.
Known For
Credits
Cast Credits
Ghosts (2021)
Guest starring as Nigel Chessum
(23 episodes)
- Episode 4x07: Sad Farnsby (Dec 12, 2024)
- Episode 4x02: Sam's Dad (Oct 24, 2024)
- Episode 4x01: Patience (Oct 17, 2024)
- Episode 3x10: Isaac's Wedding (May 2, 2024)
- Episode 3x09: The Traveling Agent (Apr 25, 2024)
- Episode 3x07: The Polterguest (Apr 11, 2024)
- Episode 3x03: He Sees Dead People (Feb 29, 2024)
- Episode 3x01: The Owl (Feb 15, 2024)
- Episode 2x22: The Heir (May 11, 2023)
- Episode 2x21: Whodunnit (May 4, 2023)
- Episode 2x20: Woodstone's Hottest Couple (Apr 27, 2023)
- Episode 2x18: Alberta's Descendant (Mar 30, 2023)
- Episode 2x16: Isaac's Book (Mar 2, 2023)
- Episode 2x15: A Date to Remember (Feb 16, 2023)
- Episode 2x14: Trevor's Body (Feb 9, 2023)
- Episode 2x10: The Christmas Spirit, Part Two (Dec 15, 2022)
- Episode 2x09: The Christmas Spirit, Part One (Dec 15, 2022)
- Episode 2x07: Dumb Deaths (Nov 10, 2022)
- Episode 2x05: Halloween 2: The Ghost of Hetty's Past (Oct 27, 2022)
- Episode 2x01: Spies (Sep 29, 2022)
- Episode 1x18: Farnsby & B (Apr 21, 2022)
- Episode 1x15: Thorapy (Mar 3, 2022)
- Episode 1x08: D&D (Nov 18, 2021)
Young Sheldon (2017)
Guest starring as Dr. Goetsch
(3 episodes)
- Episode 3x01: Quirky Eggheads and Texas Snow Globes (Sep 26, 2019)
- Episode 1x16: Killer Asteroids, Oklahoma, and a Frizzy Hair Machine (Mar 29, 2018)
- Episode 1x04: A Therapist, a Comic Book, and a Breakfast Sausage (Nov 16, 2017)
Trial & Error (2017)
Guest starring as Mitchell
(5 episodes)
- Episode 1x13: Chapter 13: The Verdict (Apr 18, 2017) [Co-Star]
- Episode 1x12: Chapter 12: The Defense Rests (Apr 18, 2017) [Co-Star]
- Episode 1x11: Chapter 11: Unusual Suspect (Apr 13, 2017) [Co-Star]
- Episode 1x10: Chapter 10: A Hostile Jury (Apr 11, 2017) [Co-Star]
- Episode 1x09: Chapter 9: Opening Statements (Apr 11, 2017) [Co-Star]
The Good Place (2016)
Guest starring as Joe
(3 episodes)
- Episode 2x13: Somewhere Else (Feb 1, 2018) [Co-Star]
- Episode 1x12: Mindy St. Claire (Jan 19, 2017) [Co-Star]
- Episode 1x01: Everything Is Fine (Sep 19, 2016) [Co-Star]
Scorpion (2014)
Guest starring as Kaldor
(5 episodes)
- Episode 4x08: Faire Is Foul (Nov 13, 2017) [Co-Star]
- Episode 4x01: Extinction (Sep 25, 2017) [Co-Star]
- Episode 3x20: Broken Wind (Mar 20, 2017) [Co-Star]
- Episode 3x09: Mother Load (Nov 21, 2016) [Co-Star]
- Episode 3x07: We're Gonna Need a Bigger Vote (Nov 7, 2016) [Co-Star]
2 Broke Girls (2011)
Guest starring as Topher
- Episode 5x10: And the No New Friends (Feb 3, 2016) [Co-Star]
Modern Family (2009)
Guest starring as Dragon-Slayer
- Episode 9x22: Clash of Swords (May 16, 2018) [Co-Star]