Irish actor Brendan Gleeson was born on March 29, 1955 in Dublin, Ireland. He graduated from University College Dublin and worked for several years as a teacher before he decided to become an actor. He taught English, Mathematics and Drama in Belcamp College, and is also known to be a talented fiddle player.
Brendan Gleeson began acting at the age of 34. He starred in many television movies during the 1990s, including Dear Sarah and Hardshoulder. His film debut role was a small one, appearing as a quarryman in The Field. Most of his Hollywood roles were based in Ireland. Some of these were Far and Away and Into the West, both in 1992. He also played the historical figure Michael Collins in a 1991 TV movie, The Treaty. After starring in many other small screen movies, he rose to fame playing Hamish Campbell in the 1995 film Braveheart. It also starred Mel Gibson, and was mostly filmed in Ireland. In 1998, he was given the title role in The Tale of Sweety Barrett, and had the leading role in The General. He then won the Boston Society of Film Critics Award for his performance.
In 2000, Gleeson starred opposite Tom Cruise in Mission: Impossible. That year, he also played Harry in Wild About Harry and was in Saltwater. He continued to take part in other Hollywood movies including Artificial Intelligence: AI and 28 Days Later in 2002. That year, he was also cast in Gangs of New York, which was followed by a role in Cold Mountain. He also had a role in Breakfast on Pluto before being cast as the Hogwarts professor Mad-Eye Moody in Harry Potter and the Goblet of Fire and Harry Potter and the Order of the Phoenix. He also played Wiglaf in the film adaptation of Beowulf in 2007, and was also given a role in 2008’s In Bruges.