Stephen Root, born on November 17, 1951, is an American actor whose extraordinary versatility has made him one of the most respected character actors in Hollywood, seamlessly moving between beloved comedy roles and intense dramatic performances. He is best known to audiences for his iconic portrayal of the long-suffering Milton Waddams in the cult classic Office Space and as the bombastic radio station owner Jimmy James on the NBC sitcom NewsRadio, which ran from 1995 to 1999. Root also became a familiar voice to millions as the lovably dim-witted Bill Dauterive and the corrupt yet hilarious Buck Strickland on the long-running animated series King of the Hill, a role he has continued to voice in the show's 2025 revival.

Root’s early career was marked by a steady stream of guest appearances on popular television series, including a memorable turn as Capt. K'Vada in the Star Trek: The Next Generation two-part episode "Unification" in 1991. His film career gained momentum with a role in the 1993 political comedy Dave, but it was his scene-stealing performance as the put-upon office drone Milton in Office Space that cemented his status as a comedic legend. This success led to a long and fruitful collaboration with the Coen brothers, with Root appearing in a range of their films including the Depression-era musical O Brother, Where Art Thou?, the dark comedy The Ladykillers, the Oscar-winning thriller No Country for Old Men, the anthology western The Ballad of Buster Scruggs, and the stark adaptation of The Tragedy of Macbeth.

Root’s filmography is a testament to his range, encompassing major studio comedies like Dodgeball: A True Underdog Story and Idiocracy, as well as critically acclaimed dramas. He delivered powerful supporting performances in Selma, Trumbo, and the groundbreaking horror film Get Out, and appeared in the biographical legal drama On the Basis of Sex. His voice work also extended to major animated features, lending his talents to Ice Age and Pixar’s Finding Nemo. On the small screen, Root has been a fixture of prestige television, with recurring and supporting roles in HBO series such as Boardwalk Empire, True Blood, Perry Mason, and the Emmy-winning drama Succession. He also portrayed the enigmatic author Hawthorne Abendsen in the alternate-history series The Man in the High Castle.

Root earned widespread acclaim and his first Primetime Emmy Award nomination for Outstanding Supporting Actor in a Comedy Series in 2019 for his role as Monroe Fuches, the morally bankrupt handler and mentor to the titular hitman in the HBO dark comedy Barry. His performance as the manipulative, often pathetic "The Raven" showcased his ability to blend humor with genuine menace. As of 2026, Root continues to demonstrate his enduring appeal by starring in the horror-comedy series Widow's Bay, proving that after decades in the industry, he remains a uniquely compelling and sought-after performer.