Sir Michael John Gambon is an Irish-English actor. Regarded as one of Ireland and Britain's most distinguished actors, he is known for his work on stage and screen. Gambon started his professional acting career training under Laurence Olivier as one of the original members of the Royal National Theatre. Over his six decade career in film, television and the theatre, Gambon has garnered multiple accolades including three Olivier Awards, two Screen Actors Guild Awards, and four BAFTA Awards. Gambon gained international prominence for his portrayal of Professor Albus Dumbledore in the Harry Potter film series from 2004 to 2011, replacing the late Richard Harris. Having begun his career in the theatre with Olivier with the National Theatre Company at the Old Vic, Gambon appeared in many productions of works by William Shakespeare such as Othello, Hamlet, Macbeth and Coriolanus. Gambon has been nominated for thirteen Olivier Awards for his work on the London stage. He won three awards including for his performance as Eddie Carbone in Arthur Miller's A View from the Bridge in 1987. He also won for his performances in Alan Ayckbourn's plays A Chorus of Disapproval and Man of the Moment. For his work on the Broadway stage, he received a Tony Award nomination for Best Actor in a Play for his role as Tom Sergeant in David Hare's Skylight in 1997. He also received a Drama Desk Award, and Olivier Award nomination. In 2013, Gambon took part in the 50th Anniversary Celebration of the National Theatre.Gambon made his film debut in Othello (1965) alongside Laurence Olivier and Maggie Smith. Gambon's other films include Peter Greenaway's The Cook, the Thief, His Wife & Her Lover (1989), Iain Softley's The Wings of the Dove (1997), Michael Mann's The Insider (1999), Robert Altman's Gosford Park (2001), Michael Apted's Amazing Grace (2006), Tom Hooper's The King's Speech (2010), Dustin Hoffman's Quartet (2012), and Stephen Frears' Victoria & Abdul (2017). Gambon has also appeared in the Wes Anderson films The Life Aquatic with Steve Zissou (2004), and Fantastic Mr. Fox (2009). He is known for his performances in television programmes such as The Singing Detective (1986), Wives and Daughters (1999), Path to War (2002), Cranford (2007), Emma (2009), The Casual Vacancy (2015), Churchill's Secret (2016), and Little Women (2017). Gambon was knighted in 1998 for services to drama. He has received four BAFTA TV Awards, three Olivier Awards (a thirteen-time nominee), and the 2017 Irish Film & Television Academy Lifetime Achievement Award. In 2020, he was listed at No. 28 on The Irish Times' list of Ireland's greatest film actors. He retired from stage acting in 2015 due to memory loss, but continues to act on screen.