William Mills Irwin (born April 11, 1950) is an American actor, choreographer, clown, and comedian. He began as a vaudeville-style stage performer and has been noted for his contribution to the renaissance of the American circus during the 1970s. He has made several appearances on film and television. He won a for his role in Who’s Afraid of Virginia Woolf? He also worked as a choreographer on Broadway. He was nominated for the Tony Award for Best Choreography in 1989 for Largely New York. He is also known as Mr. Noodle on the Sesame Street segment Elmo’s World, and he appeared in the Sesame Street film short Does Air Move Things? He has regularly appeared as Dr. Peter Lindstrom on Law & Order: Special Victims Unit and had a recurring role as “The Dick & Jane Killer” on CSI: Crime Scene Investigation. From 2017 to 2019, he appeared as Cary Loudermilk on the FX television series Legion.
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1999 • TV

1990 • TV

2000 • TV

2010 • TV

2014 • Movie

2000 • Movie
as TARS (voice)
as Lou Lou Who
as Ham Gravy
as Comic
as Pastor Bud
as Buzz Harley
as Geoffrey
as Lt. Smith
as Clov
as Paul Buchman
as Unnamed Brother #1
as Mime
as Tom Snout
as Eric
as Mr. Leeds
as Eddie Collins
as Uncle Teddy
as Chief Jeff 'Goob' Garver
as Bob
as Dito
Writer
as Dr. Peter Lindstrom
16 episodes
as Ellison Conway
1 episodes
as Nate Haskell
9 episodes
as Cardinal Brennan
2 episodes
as Richard Balsille
1 episodes
as Fred Medkiff
1 episodes
as Self - Special Guest
1 episodes
as The Dancing Man (uncredited)
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as ER Doctor
1 episodes
as Dr. Spencer
1 episodes
as Su'Kal
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as Nate Royce
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as Eddie Bartholomew
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as Atticus Nevins
4 episodes
as Calvin Bennett
3 episodes
as Pickles
1 episodes
as Enrico Bellati
2 episodes
as Cornelius Eckhard
1 episodes
as James Ingram
2 episodes
as Cary Loudermilk
27 episodes