At the time, he was the youngest person to be admitted into Juilliard's Drama Division, a record previously held by actor Val Kilmer.
He has also acted Off-Broadway in Slipping, Yosemite and Blind as part of Rattlestick Playwrights Theater program, in Too Much Memory, Favorites and Break Your Face on My Hand with Rising Phoenix Repertory, and On the Levee and Iphigenia 2.0 with Signature Theatre.
In 2013, he starred in Sweet Bird of Youth by Tennessee Williams opposite Kim Cattrall at The Old Vic in the West End, London.
In 2023, he performed in Irish Repertory Theatre's staging of Brian Friel's Translations and in 2024 he appeared the world premiere of J.T.
[9] Numrich is also known for his roles as Benjamin Tallmadge in AMC's series Turn: Washington's Spies, which ran from 2014 to 2017, and as Robin Lafferty in the miniseries Under the Banner of Heaven.