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. Description above from the Wikipedia article Bill Irwin, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Filmography

• 2026All That She Wants
• 2026The Odyssey — Cyclops
• The Beast in Me — James Ingram
• 20244th Dementia — Lou
• 2024High Tide — Scott
• 2023Endgame — Clov
• 2023Rustin — A. J. Muste
• 2022Spoiler Alert — Bob
• The Andy Warhol Diaries — Andy Warhol
• The Dropout — Channing Robertson
• The Gilded Age — Cornelius Eckhard
• 2021Lust Life Love — Richard
• 2020Irresistible — Elton Chambers
• 2019Sesame Street's 50th Anniversary Celebration — Mr. Noodle
• New Amsterdam — Calvin Bennett
• Julie's Greenroom
• Legion — Cary Loudermilk
• Star Trek: Discovery — Su'Kal
• 2016Confirmation — Senator Jack Danforth
• 2016Old Hats — Writer
• Quarry — Harlowe
• This Is Us — ER Doctor, Dr. Spencer
• 2015Identity Theft — Mark
• 2015Ricki and the Flash — Single Dad
• 2015Sesame Street: Play All Day with Elmo! — Mr. Noodle
• 2015Show Boat — Cap'n Andy Hawks
• South of Hell — Enos Abascal
• 2014Interstellar — TARS (voice)
• Monday Mornings — Buck Tierney
• Sleepy Hollow — Atticus Nevins
• Elementary — Richard Balsille
• 2012Sesame Street: Elmo's Magic Numbers — Mr. Noodle
• 2011Higher Ground — Pastor Bud
• Lights Out — Hal Brennan
• 2011Sesame Street: Elmo's World: Penguins and Friends — Voice
• Blue Bloods — Cardinal Brennan
• 2010Goldstar, Ohio — Chief Jeff 'Goob' Garver
• 2010Sesame Street: 40 Years of Sunny Days — Mr. Noodle (uncredited) (archive footage)
• 2009Sesame Street: Elmo and Friends: The Letter Quest and Other Magical Tales — Mr. Noodle
• The Good Wife — Fred Medkiff
• 2008Dark Matter — Hal Silver
• Life on Mars — Dr. Schwahn
• 2008Rachel Getting Married — Paul Buchman
• 2007Across the Universe — Uncle Teddy
• 2007Raving — Dito
• 2007Sesame Street: Elmo's World: What Makes You Happy? — Mr. Noodle
• 2006Lady in the Water — Mr. Leeds
• 2006Sesame Street: Elmo's World: Reach for the Sky! — Mr Noodle
• 2004Sesame Street: Elmo's World: Families, Mail & Bath Time! — Mr. Noodle
• 2004Sesame Street: Elmo's World: The Street We Live On! — Mr. Noodle (uncredited)
• 2004The Manchurian Candidate — Scoutmaster
• 2003Sesame Street: Elmo's World: Head to Toe with Elmo!
• 2002Elmo's World: Family Feature — Mr. Noodle
• 2002Igby Goes Down — Lt. Smith
• 2002Sesame Street: Elmo's World: Happy Holidays! — Mr. Noodle
• 2002Sesame Street: Elmo's World: Wake Up with Elmo! — Mr. Noodle
• 2002The Laramie Project — Harry Woods
• Law & Order: Criminal Intent — Nate Royce
• 2001Sesame Street: Elmo's World: Wild Wild West! — Mr. Noodle
• CSI: Crime Scene Investigation — Nate Haskell
• 2000How the Grinch Stole Christmas — Lou Lou Who
• 2000Sesame Street: Elmo's World — Mr. Noodle
• 2000Sesame Street: Elmo's World: Flowers, Bananas & More! — Mr. Noodle
• 2000Sesame Street: Elmo's World: Singing, Drawing & More! — Mr. Noodle
• 1999A Midsummer Night's Dream — Tom Snout
• Law & Order: Special Victims Unit — Dr. Peter Lindstrom
• 1998Illuminata — Marco
• 1998Just the Ticket — Ray Charles
• 1997Subway Stories — Bill Irwin (segment "Subway Car from Hell")
• 3rd Rock from the Sun — Pickles
• 1994Silent Tongue — Comic
• 1993Sister Act 2: Back in the Habit — Unnamed Brother #1
• The Adventures of Pete & Pete — The Broker
• 1992The Last Mile — The Maestro
• 1991Hot Shots! — Buzz Harley
• 1991Memorial: Letters from American Soldiers — Reader
• 1991Scenes from a Mall — Mime
• 1991Stepping Out — Geoffrey
• Law & Order — Ellison Conway
• 1990My Blue Heaven — Kirby
• Northern Exposure — Enrico Bellati
• 1988A New Life — Eric
• 1988Eight Men Out — Eddie Collins
• The Cosby Show — Eddie Bartholomew
• 1983The Regard of Flight
• 1980Mudflat
• 1980Popeye — Ham Gravy
• Saturday Night Live — Self - Special Guest, The Dancing Man (uncredited)
• Sesame Street — Mr. Noodle

Appearances as themselves (15)

• 2025American Clown — Self
• 2025This Ordinary Thing — Self (voice)
• 2019It Takes a Lunatic — Self
• 2018The Great Buster: A Celebration — Self
• 2016Circus Kid — Himself
• 2012Never Stand Still — Himself
• 2004Sesame Street: What's the Name of That Song? — Self (archive footage)
• 2003Charlie: The Life and Art of Charles Chaplin — Self
• 1999Niagara: A History of the Falls — Self - Historian
• 1998Waiting for Godot in San Quentin — Himself
• 1997Vaudeville — Self
• 1993Sesame Street's 25th Birthday: A Musical Celebration — Self (segment "New Way to Walk")
• 1992Sondheim: A Celebration at Carnegie Hall — Self
• 1990Red Hot + Blue: A Tribute to Cole Porter — Self
• 1988Bette Midler's Mondo Beyondo — Self