Jefferson White

Jefferson White (born November 3, 1989) is an American actor. He plays Jimmy Hurdstrom on the Paramount Network series Yellowstone and Sean O'Neil on Chicago P.D. on NBC.

Early life White grew up in Mount Vernon, Iowa and attended Iowa State University, graduating in 2012 in performing arts. He appeared in many productions at Iowa State, including his first leading role as Tupolski in The Pillowman directed by Don Watts.

Career White made his television debut on The Americans in 2014. Other television appearances include Elementary, Blue Bloods, How to Get Away with Murder and Law & Order: Special Victims Unit.

In 2018, White appeared as a series regular on season one of Yellowstone for Paramount Network, and his character, a stoner called Jimmy who, due to his grandfather asking a favor of John Dutton, is taken on as a branded cowboy of the Yellowstone. In 2021, White was named as a nominee for the Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series for his work on Yellowstone. White's character Jimmy is expected to feature in a forthcoming Yellowstone spin-off series titled 6666 as his character Jimmy moved to the 6666 Ranch in Texas during season 4 of Yellowstone. White's character Jimmy had cameo appearances in the fifth season of Yellowstone in 2024.

In September 2022, White portrayed the character Sean O'Neil in the tenth season of NBC's long-running drama Chicago P.D. White had roles in the 2023 feature film Eileen, which stars Anne Hathaway, and the 2024 Alex Garland film Civil War.

In February 2025, White was announced as narrator for the audio edition of Sunrise on the Reaping, a dystopian novel written by the American author Suzanne Collins. It is the second prequel novel to the original The Hunger Games trilogy, following The Ballad of Songbirds and Snakes, released in 2020.

Personal life White is married to Casey Wortmann, an actress and social worker.

Filmography +Key Denotes works that have not yet been released Film Year Title Role Notes 2022 God's Country Samuel 2023 Eileen Buck Warren 2024 Civil War Dave Hellboy: The Crooked Man Tom Ferrell 2025 Drink and Be Merry Chet2026 Bedford Park Jay The Long Haul Mr. McCoy Post-production 2027 Post-production Joe Lund Post-production Lee Harvey Oswald Post-production Post-production

Television