
Brendan Gleeson (born 29 March 1955) is an Irish actor and film director. He is the recipient of three IFTA Awards, two BIFA's, and a Primetime Emmy Award and has been nominated twice for a BAFTA Award, five times for a Golden Globe Award and once for an Academy Award. In 2020, he was listed at number 18 on The Irish Times list of Ireland's greatest film actors. He is the father of actors Domhnall Gleeson and Brian Gleeson.
He is best known for his performance as Alastor Moody in the Harry Potter films (2005–2010). He is also known for his supporting roles in films such as Braveheart (1995), Michael Collins (1996), 28 Days Later (2002), Gangs of New York (2002), Cold Mountain (2003), Troy (2004), Suffragette (2015), Paddington 2 (2017), The Ballad of Buster Scruggs (2018), and The Tragedy of Macbeth (2021). He is also known for his leading roles in films such as The General (1998), In Bruges (2008), The Guard (2011), Calvary (2014), Frankie (2019), and The Banshees of Inisherin (2022). He received a nomination for the Academy Award for Best Supporting Actor for the lattermost film.
He won an Primetime Emmy Award in 2009 for his portrayal of Winston Churchill in the television film Into the Storm. He also received a Golden Globe Award nomination for his performance as Donald Trump in the Showtime series The Comey Rule (2020). From 2017 to 2019 he starred in the crime series Mr. Mercedes. He received an Emmy Award nomination for Stephen Frears' Sundance TV series State of the Union (2022).

Harry Potter and the Order of the Phoenix
2007 · as Alastor 'Mad-Eye' Moody

Troy
2004 · as Menelaus

Harry Potter and the Deathly Hallows: Part 1
2010 · as Alastor 'Mad-Eye' Moody

Harry Potter and the Goblet of Fire
2005 · as Alastor 'Mad-Eye' Moody

Kingdom of Heaven
2005 · as Reynald de Chatillon

Edge of Tomorrow
2014 · as General Brigham

Braveheart
1995 · as Hamish Campbell

28 Days Later
2002 · as Frank

Gangs of New York
2002 · as Walter 'Monk' McGinn

Cold Mountain
2003 · as Stobrod Thewes

A.I. Artificial Intelligence
2001 · as Lord Johnson-Johnson

Joker: Folie à Deux
2024 · as Jackie Sullivan

Mission: Impossible II
2000 · as McCloy

Green Zone
2010 · as Martin Brown

Paddington 2
2017 · as Knuckles McGinty

In the Heart of the Sea
2015 · as Old Thomas Nickerson

The Smurfs 2
2013 · as Victor Doyle

The Banshees of Inisherin
2022 · as Colm Doherty