John Hartman

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


Cast Credits

Young Sheldon (2017)
Guest starring as Dr. Goetsch (2 episodes)
Trial & Error (2017)
Guest starring as Mitchell (5 episodes)
Superior Donuts (2017)
Guest starring as Patrick
The Good Place (2016)
Guest starring as Joe (3 episodes)
Scorpion (2014)
Guest starring as Kaldor (5 episodes)
2 Broke Girls (2011)
Guest starring as Topher