Ian David McShane (Blackburn, 29 september 1942) is een Engelse acteur. Hij is de zoon van Harry McShane (voormalig voetballer van Manchester United FC) en Irene Cowley.

Voor zijn rol van de historische figuur Al Swearengen in de televisieserie Deadwood won hij in 2005 een Golden Globe (beste acteur).

McShane is de spoken voice-over in het nummer "Slave to the rythm" van Grace Jones.

Filmografie 

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| 1962 || The Wild and the Willing || Harry ||
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| 1963 || Funny Noises with Their Mouths (tv) ||   ||
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| 1965 || The Pleasure Girls || Keith Dexter ||
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| 1966 || You Can't Win (televisieserie) || Joe Lunn ||
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| 1966 || Sky West and Crooked || (Gypsie) Roibin ||
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| 1966 || The Private Tutor (tv) || Frank ||
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| 1967 || Wuthering Heights (televisieserie) || Heathcliff ||
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| 1968 || Funeral Games (tv) || Caulfield ||
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| 1969 || If It's Tuesday, This Must Be Belgium || Charlie Cartwright ||
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| 1969 || Battle of Britain || Sgt. Pilot Andy ||
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| 1970 || Pussycat, Pussycat, I Love You || Fred C. Dobbs ||
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| 1970 || The Ballad of Tam Lin || Tom Lynn ||
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| 1971 || Freelance || Mitch ||
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| 1971 || Villain || Wolfe Lissner ||
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| 1972 || Whose Life Is It Anyway? (tv) || Ken Harrison ||
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| 1972 || Left Hand of Gemini ||   ||
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| 1972 || La Cible hurlante (Sitting Target) || Birdy Williams ||
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| 1973 || The Last of Sheila || Anthony ||
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| 1975 || Un homme voit rouge (Ransom) || Ray Petrie ||
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| 1975 || Le Voyage de la peur (Journey Into Fear) || Banat ||
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| 1975 || The Lives of Jenny Dolan (tv) || Saunders ||
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| 1977 || Roots (tv-feuilleton) || Sir Eric Russell ||
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| 1977 || Jesus of Nazareth (tv-serie) || Judas Iskariot ||
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| 1977 || Code Name: Diamond Head (tv) || Sean Donavan / Father Horton / Colonel Butler ||
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| 1978 || Life of Shakespeare (tv-feuilleton) || Christopher Marlowe ||
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| 1978 || Disraeli (tv-feuilleton) || Benjamin Disraeli ||
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| 1978 || The Pirate (tv) || Rashid ||
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| 1979 || The Great Riviera Bank Robbery || The Brain ||
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| 1979 || The Fifth Musketeer || Fouquet ||
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| 1979 || Yesterday's Hero || Rod Turner ||
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| 1980 || Cheaper to Keep Her || Dr. Alfred Sunshine ||
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| 1980 || High Tide (tv) || Peter Curtis ||
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| 1982 || The Letter (tv) || Geoff ||
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| 1982 || Marco Polo (tv-feuilleton) || Ali Ben Yussouf ||
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| 1983 || Grace Kelly (tv) || Reinier III van Monaco ||
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| 1983 || Bare Essence (televisieserie) || Niko Theophilus ||
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| 1983 || Exposed || Greg Miller ||
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| 1984 || Ordeal by Innocence || Philip Durant ||
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| 1985 || A Month in the Country (video) || Beliayev ||
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| 1985 || Too Scared to Scream || Vincent Hardwick ||
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| 1985 || Evergreen (tv-feuilleton) || Paul Lerner ||
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| 1985 || Torchlight || Sidney ||
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| 1985 || A.D. (tv-feuilleton) || Sejanus ||
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| 1985 || Braker (tv) || Alan Roswell ||
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| 1986 || Lovejoy (televisieserie) || Lovejoy ||
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| 1986 || Rocket to the Moon (tv) || Willy Wax ||
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| 1986 || The Murders in the Rue Morgue (tv) || Prefect of Police ||
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| 1987 || Grand Larceny || Flanagan ||
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| 1988 || The Great Escape II: The Untold Story (tv) || Roger Bushell ||
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| 1988 || War and Remembrance (tv-feuilleton) || Philip Rule ||
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| 1989 || Dick Francis: Twice Shy (tv) || David Cleveland ||
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| 1989 || Dick Francis: In the Frame (tv) || David Cleveland ||
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| 1989 || Dick Francis: Blood Sport (tv) || David Cleveland ||
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| 1989 || Young Charlie Chaplin (tv) || Charles Chaplin Sr. ||
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| 1978 || Dallas (tv) || Don Lockwood (1989) ||
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| 1990 || Perry Mason: The Case of the Desperate Deception (tv) || Andre Marchand ||
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| 1990 || Columbo - L'enterrement de Mme Columbo(Columbo: Rest in Peace, Mrs. Columbo) (tv) || Leland St. John ||
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| 1992 || Con Man ||   ||
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| 1994 || White Goods (tv) || Ian Deegan ||
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| 1995 || Soul Survivors (tv) || Otis Cooke ||
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| 1996 || Madson (televisieserie) || John Madson ||
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| 1998 || Babylon 5: The River of Souls (tv) || Robert Bryson, Ph.D. ||
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| 1999 || D.R.E.A.M. Team (tv) ||   ||
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| 2000 || Sexy Beast || Teddy Bass ||
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| 2002 || Man and Boy (tv) || Marty Mann ||
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| 2002 || Bollywood Queen || Frank ||
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| 2003 || Trust (televisieserie) || Alan Cooper-Fozzard ||
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| 2003 || Agent Cody Banks (Agent Cody Banks) || Brinkman ||
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| 2003 || Nemesis Game || Jeff Novak ||
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| 2004 || Deadwood (televisieserie) || Al Swearengen ||
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| 2005 || Nine Lives || Larry ||
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| 2006 || Scoop || Joe Strombel ||
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| 2006 || We Are Marshall || Paul Griffen ||
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| 2007 || The Seeker: The Dark Is Rising || Merriman Lyon ||
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| 2007 || Shrek the Third || Captain Hook || stem
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| 2008 || Kung Fu Panda || Tai Lung || stem
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| 2008 || Death Race || Coach ||
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| 2009 || 44 Inch Chest || Meredith ||
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| 2009 || Case 39 || Mike Barron ||
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| 2010 || The Pillars of the Earth (televisieserie) || Waleran Bigod ||
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| 2011 || Pirates of the Caribbean: On Stranger Tides || Blackbeard ||
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| 2012 || Snow White and the Huntsman || Beith the Dwarf ||
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| 2014 || Hercules || Amphiaraus ||
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| 2014 || John Wick || Winston ||
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| 2014 || El Niño || El Inglés ||
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| 2015 || Ray Donovan || Andrew Finney ||
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| 2016 || Game of Thrones || Brother Ray ||
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| 2017 || John Wick: Chapter 2 || Winston ||
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| 2017 || American Gods (televisieserie) || Mr. Wednesday 
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| 2019 || John Wick: Chapter 3 – Parabellum || Winston ||
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| 2023 || John Wick: Chapter 4 || Winston ||

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Als producer 
 1996 : Madson (televisieserie)

Als regisseur 
 1986 : Les Règles de l'art ("Lovejoy") (televisieserie)

Engels acteur
Westernacteur