Bill Irwin is an American actor and vaudeville performer best known to television audiences for his recurring role as serial killer Nate Haskell on the police procedural CSI: Crime Scene Investigation, from 2008-2011.
He also had a starring role as transplant chief Dr. Buck Tierney, a man driven to the point of bullish who is least liked among the Chelsea General staff, in the medical drama television series Monday Mornings, in 2013.
Irwin is an original member of Kraken and San Francisco's Pickle Family Circus. His original works include Fool Moon, Largely New York, The Harlequin Studies, Mr. Fox: A Rumination, The Happiness Lecture and The Regard of Flight.
Irwin's extensive theatre credits include Bye Bye Birdie, Roundabout Theatre Company's revival of Waiting for Godot, the Broadway and West End revival of Who's Afraid of Virginia Woolf? (2005 Tony Award, Helen Hayes Award), Edward Albee's The Goat or Who is Sylvia?, Accidental Death of An Anarchist, 5-6-7-8 Dance!, Waiting For Godot at Lincoln Center, Scapin, The Tempest, Garden of Earthly Delights, Texts for Nothing, A Flea In Her Ear, The Seagull, A Man's A Man and 3 Cuckolds.
In addition, the 2003-04 season at the Signature Theatre was devoted to his original work.
On television, Irwin has appeared on PBS's Great Performances: Bill Irwin Clown Prince, 3rd Rock from the Sun, Northern Exposure, Sesame Street, Elmo's World, The Regard of Flight, The Cosby Show, The Laramie Project, Subway Stories, Bette Midler: Mondo Beyondo, Law and Order, Life on Mars, CSI: Crime Scene Investigation, The Good Wife, Lights Out, and the Closing Ceremony of the 1996 Olympic Games.
Irwin's big-screen credits include Rachel Getting Married, Higher Ground, How the Grinch Stole Christmas, Igby Goes Down, Lady in the Water, Dark Matter, Raving, Across The Universe, Popeye, Eight Men Out, Silent Tongue, Illuminata, My Blue Heaven, A New Life, Scenes from a Mall and Stepping Out.
Irwin has earned numerous awards for his work, including fellowships from the National Endowment for the Arts, the John Simon Guggenheim Memorial Foundation, the Fulbright Program and the MacArthur Foundation.