Stephen Root (born November 17, 1951) is an American actor. He has starred as Jimmy James on the NBC sitcom NewsRadio (1995–1999), as Milton Waddams in the film Office Space (1999), and voiced Bill Dauterive and Buck Strickland on the animated series King of the Hill (1997–2010, 2025–present).
Root has appeared in numerous Coen brothers films, including O Brother, Where Art Thou? (2000), The Ladykillers (2004), No Country for Old Men (2007), The Ballad of Buster Scruggs (2018), and The Tragedy of Macbeth (2021). Other notable film roles include Dave (1993), Dodgeball (2004), Idiocracy (2006), Cedar Rapids (2011), Selma (2014), Trumbo (2015), Get Out (2017), and On the Basis of Sex (2018).
His television roles have included Capt. K’Vada in the Star Trek: The Next Generation two-part episode “Unification” (1991) and Hawthorne Abendsen in seasons 2–4 of the series The Man in the High Castle. He has supporting roles in a variety of HBO series, including Boardwalk Empire, True Blood, Perry Mason, and Succession. He starred as Monroe Fuches in the HBO dark comedy series Barry, for which he was nominated for a Primetime Emmy Award for Outstanding Supporting Actor in a Comedy Series in 2019.
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1989 • TV
2000 • TV
2005 • TV
1989 • TV
2002 • Movie
2003 • Movie
as Frank / Start (voice)
as Bubbles (voice)
as Arthur Hammond
as Man Who Hires Wells
as Police Sgt.
as Charles Thompson
as Gordon
as Doc / Merrimack / Mr. Snuggles (voice)
as KC
as Kane Cohen
as Senator Larder
as Milton Waddams
as Dennis Mansky
as Big Ducky (voice)
as Dwight Nestor
as Mr. Crenshaw
as Brendon (voice)
as Glover
as Dr. Freeman
as Coontz
as Bildorf (voice)
1 episodes
as Michael Kirkwood
1 episodes
as Dick (voice)
6 episodes
as Mr. Lager
1 episodes
as Bill Prady
3 episodes
as Captain K'Vada
2 episodes
as John Pratt
2 episodes
as Bud Gleeful (voice)
5 episodes
as Ricardo Collini
1 episodes
as Ethan Melman
1 episodes
as John Tremaine Jr.
1 episodes
as Trumpet Playing Mental Patient
1 episodes
as Charlie Lane
1 episodes
as Al Crannis
1 episodes
1 episodes
as Exterminator
1 episodes
as Brother Timothy
1 episodes
as Val Yor (voice)
1 episodes
as Brandon McCafferty
3 episodes
as Pop-Pop Porter (voice)
1 episodes
