Richard St John Harris, popularly known as Richard Harris, was an Irish actor, singer, director, producer, and writer. He is known for the variety of roles that he portrayed in his extensive entertainment career. Some of his popular roles include ‘Frank Machin’ in ‘This Sporting Life, ’ ‘King Arthur’ in ‘Camelot, ’ ‘John Morgan’ in ‘A Man Called Horse, ’ ‘English Bob’ in ‘Unforgiven, ’ ‘Marcus Aurelius’ in ‘Gladiator, ’ and ‘Albus Dumbledore’ in the first two movies of the ‘Harry Potter’ series.