Eamon Joseph O'Brien (September 10, 1915 – May 9, 1985) was an American actor and film director. His career spanned almost 40 years, and he won one Academy Award, two Golden Globe Awards, and two stars on the Hollywood Walk of Fame. O'Brien was a character actor of American cinema, and performed in The Barefoot Contessa (1954) and Seven Days in May (1964), the former of which won him an Academy Award for Best Supporting Actor, the latter of which he received a nomination in the same category. His other notable films include The Hunchback of Notre Dame (1939), The Killers (1946), A Double Life (1947), White Heat (1949), D.O.A. (1950), The Hitch-Hiker (1953), Julius Caesar (1953), 1984 (1956), The Girl Can't Help It (1956), The Man Who Shot Liberty Valance (1962), Fantastic Voyage (1966), The Wild Bunch (1969), and The Other Side of the Wind (2018).