Jack MacGowranFrom Wikipedia, the free encyclopedia. John Joseph "Jack" MacGowran (October 13, 1918 – January 31, 1973) was an Irish character actor, whose last film role was as the alcoholic director Burke Dennings in The Exorcist. He was probably best known for his work with Samuel Beckett. Description above FilmographyThe Exorcist (1973)Start the Revolution Without Me (1970)Age of Consent (1969)Wonderwall (1968)The Fearless Vampire Killers (1967)How I Won the War (1967)Cul-de-sac (1966)Young Cassidy (1965)Tom Jones (1963)Darby O'Gill and the Little People (1959)The Giant Behemoth (1959)Chance Meeting (1959)The Rising of the Moon (1957)