Michael Gambon Having worked in the theater industry for a considerable period, Gambon made his debut on the silver screen with Othello in 1965, and over the years, in his illustrious career, he has appeared in more than 40 films. Few of his most notable films include Mobsters (1991), Clean Slate (1994), The Gamble (1997), The Insider (1999), Deep Blue (2003), Harry Potter and the Goblet of Fire (2005), The King's Speech (2010), Hail, Ceasar! (2016), and Viceroy's House (2017), a British-Indian historical drama directed by Gurinder Chadha.