Jefferson White

Jefferson White is an American actor who grew up in Mount Vernon, Iowa and studied performing arts at Iowa State University, where he graduated in 2012 and played his first leading role, Tupolski in The Pillowman. He began on television in 2014 with a part on The Americans, and went on to appear in Law & Order: Special Victims Unit, Elementary, Blue Bloods and How to Get Away with Murder. In 2018 he joined the first season of Yellowstone as a series regular, playing Jimmy, a stoner taken on as a branded cowboy, and in 2021 he was nominated for a Screen Actors Guild Award for ensemble work in a drama series. He played Sean O'Neil in the tenth season of Chicago P.D. in 2022, appeared in Eileen in 2023 and in Alex Garland's Civil War (2024), and in 2025 was named narrator of the audiobook of Sunrise on the Reaping.