Michael Gambon is known for his role as Professor Albus Dumbledore in the movies "Harry Potter and the Prisoner of Azkaban (2004)", "Harry Potter and the Goblet of Fire (2005)", "Harry Potter and the Order of the Phoenix (2007)", "Harry Potter and the Half-Blood Prince (2009)", "Harry Potter and the Deathly Hallows – Part 1 (2010)" and "Harry Potter and the Deathly Hallows – Part 2 (2011)".

He played Albert Spica in "The Cook, the Thief, His Wife & Her Lover (1989)", Baltus Van Tassel in "Sleepy Hollow (1999)", William McCordle in "Gosford Park (2001)", Denton Baxter in "Open Range (2003)", Morris Paley in "Sky Captain and the World of Tomorrow (2004)", Bugenhagen in "The Omen (2006)", Dr. Fredericks in "The Good Shepherd (2006)", George in "The Book of Eli (2010)", King George V in "The King's Speech (2010)", Private Godfrey in "Dad's Army (2016)" and Sir Giles (a.k.a. Arthur) in "Kingsman: The Golden Circle (2017)".

Some other movies he appeared in are "Othello (1965)", "Nothing But the Night (1973)", "Conflict (1973)", "The Beast Must Die (1974)", "The Secret Agent (1975)", "La ronde (1982)", "Tropical Moon Over Dorking (1985)", "Turtle Diary (1985)", "Absurd Person Singular (1985)", "Paris by Night (1988)", "The Rachel Papers (1989)", "A Dry White Season (1989)", "The Heat of the Day (1989)", "Blood Royal: William the Conqueror (1990)", "Mobsters (1991)", "Toys (1992)", "Mama's Back (1993)", "Clean Slate (1994)", "The Browning Version (1994)", "A Man of No Importance (1994)", "Squanto: A Warrior's Tale (1994)", "Bullet to Beijing (1995)", "Nothing Personal (1995)", "Two Deaths (1995)", "The Innocent Sleep (1996)", "Midnight in Saint Petersburg (1996)", "Mary Reilly (1996)", "Samson and Delilah (1996)", "The Wings of the Dove (1997)", "The Gambler (1997)", "Dancing at Lughnasa (1998)", "Plunkett & Macleane (1999)", "The Last September (1999)", "The Insider (1999)", "Longitude (2000)", "Endgame (2000)", "High Heels and Low Lifes (2001)", "Charlotte Gray (2001)", "Ali G Indahouse (2002)", "Path to War (2002)", "The Lost Prince (2003)", "The Actors (2003)", "Sylvia (2003)", "Being Julia (2004)", "Layer Cake (2004)", "The Life Aquatic with Steve Zissou (2004)", "Amazing Grace (2006)", "The Good Night (2007)", "Celebration (2007)", "The Baker (2007)", "Joe's Palace (2007)", "Brideshead Revisited (2008)", "Page Eight (2011)", "Quartet (2012)", "Restless (2012)", "Fifty Years on Stage (2013)", "Common (2014)", "Churchill's Secret (2016)", "Viceroy's House (2017)", "Mad to Be Normal (2017)" and "Victoria and Abdul (2017)".

He played Gavin Ker on the BBC TV show "The Borderers (1968-1970)", Philip Marlow on the BBC TV show "The Singing Detective (1986)", Jules Maigret on the ITV TV show "Maigret (1992-1993)" and Mr. Woodhouse on the BBC TV show "Emma (2009)".

Some other TV shows he appeared on are "Softly Softly", "Public Eye", "Fraud Squad", "Confession", "Eyeless in Gaza", "The Challengers", "The Man Outside", "Kate", "Love Story", "Menace", "A Picture of Katherine Mansfield","Special Branch", "Arthur of the Britons", "Six Days of Justice", "The Other One", ""Zodiac", _"Masquerade", "Tales of the Unexpected", "Oscar Wilde", "Bergerac", "About Face", "The Storyteller: Greek Myths", "Faith", "Wives and Daughters", "Perfect Strangers", "Cranford", "Doctor Who", "Luck", "Quirke", "The Casual Vacancy", "Fortitude" and "Fearless".

Happy Birthday!