Richard St John Francis Harris October 1 1930 October 25 2002 was an Irish actor and singer He appeared on stage and in many films notably as Corrado Zeller in Michelangelo Antonionis Red Desert Frank Machin in This Sporting Life for which he was nominated for the Academy Award for Best Actor and as King Arthur in the 1967 film Camelot as well as the 1981 revival of the stage musical He played an English aristocrat captured by the Sioux in A Man Called Horse 1970 Oliver Cromwell in Cromwell 1970 an embattled Irish farmer in Jim Sheridans The Field which earned him a second Academy Award nomination for Best Actor English Bob in Clint Eastwoods revisionist Western Unforgiven 1992 Roman emperor Marcus Aurelius in Gladiator 2000 The Count of Monte Cristo 2002 as Abbé Faria and Albus Dumbledore in the first two Harry Potter films Harry Potter and the Philosophers Stone 2001 and Harry Potter and the Chamber of Secrets 2002 the latter of which was his final film role Harris had a numberone singing hit in Australia Jamaica and Canada and a topten hit in the United Kingdom Ireland and the United States with his 1968 recording of Jimmy Webbs song MacArthur Park In 2020 he was listed at number 3 on The Irish Timess list of Irelands greatest film actors