in film adaptations of How the Grinch Stole Christmas, The Laramie Project and A Midsummer Night's Dream. He played an ex-brain surgeon and house salesman in the Nickelodeon series The Adventures of Pete & Pete. In 2006, Irwin played the solitary Mr. Leeds in M. Night Shyamalan's Lady in the Water and had a small role as Uncle Teddy in 2007's Across the Universe. He received critical acclaim for his role as Paul, father to Anne Hathaway's character Kym, in the 2008 drama Rachel Getting Married. Irwin's most notable television roles have been Enrico Ballati, "The Flying Man", on the television series Northern Exposure, Mr. Noodle in the Elmo's World segment of the PBS children's show Sesame Street, and the "Dick & Jane" serial killer Nate Haskell on CSI: Crime Scene Investigation. He was featured in the 1988 music video of "Don't Worry, Be Happy" by Bobby McFerrin (along with McFerrin and Robin Williams) and the 1996 music video of "Let Me into Your Heart" by Mary Chapin Carpenter. Irwin was also featured in HBO's 1997 production Subway Stories. He has also appeared on The Cosby Show, Saturday Night Live, 3rd Rock from the Sun, Law & Order, and Lights Out. In 2011, Irwin guest starred in the pilot episode of the CBS television drama A Gifted Man. He starred in the 2013 medical drama TNT television series, Monday Mornings as Buck Tierney. In 2014, he guest starred in the episode "The One Percent Solution" of CBS' Elementary. Irwin voices the robot TARS in the film Interstellar and puppeteers the robot in most scenes (those which are not computer-generated). He is featured in the PBS series Great Performances, in the episode titled "Bill Irwin, Clown Prince", initially broadcast in December 2004. He regularly appears on the NBC crime series Law & Order: Special Victims Unit as therapist Dr. Peter Lindstrom. Lindstrom normally appears on the show while counseling main character Lieutenant Olivia Benson. Irwin also appeared on the television series Sleepy Hollow, playing the character of Atticus Nevins. Between 2017 and 2019, he appeared in the FX television series Legion. In 2020, he appeared as Su'Kal in Star Trek: Discovery. In 2022, Irwin guest starred on The Gilded Age on HBO. Personal life He is married to Martha Roth, an "actress-turned-nurse midwife", whom he met while seeking treatment for a stiff neck. They have an adopted son, Santos Patrick Morales