Sir Michael John Gambon CBE (born 19 October 1940) is an Irish-born British character actor who has worked in theatre, television, and film. He was trained under Laurence Olivier and started his long work on stage in the National Theatre before retiring in 2015 due to memory loss. Perhaps his most famous role is that of Professor Albus Dumbledore who Gambon played in the final six Harry Potter films after the death of Richard Harris who had previously played the role. His other films include, The Cook, the thief, His Wife, and Her Lover (1989), The Wings of the Dove (1997), Sleepy Hollow (1999), Gosford Park (2001), Being Julia (2004), Amazing Grace (2006), The King's Speech (2011), Quartet (2012), Victoria and Abdul (2017), and the Paddington films (2014, 2018). Gambon's has appeared in various television projects including, The Singing Detective (1986), Wives and Daughters (1999), Path to War (2002), Angels in America (2003), Cranford (2007), Emma (2008), Restless (2012), The Casual Vacancy (2015), Churchill's Secret (2016), The Hollow Crown (2016), and Little Women (2017).