Premise: Richard St John Harris ( 1 October 1930 -- 25 October 2002 ) was an Irish actor and singer . He appeared on stage and in many films , appearing as Frank Machin in This Sporting Life , and King Arthur in the 1967 film Camelot and the subsequent 1981 revival of the show . He played an aristocrat and prisoner in A Man Called Horse ( 1970 ) , a gunfighter in Clint Eastwood 's Western film Unforgiven ( 1992 ) , Emperor Marcus Aurelius in Gladiator ( 2000 ) , and Albus Dumbledore in the first two Harry Potter films : the Sorcerer 's Stone ( 2001 ) and the Chamber of Secrets ( 2002 ) .
Hypothesis: Richard Harris acted.
Label: ENTAILMENT