Warren Mercer Oates (July 5, 1928 – April 3, 1982) was an American actor best known for his performances in several films directed by Sam Peckinpah including The Wild Bunch (1969) and Bring Me the Head of Alfredo Garcia (1974). He starred in numerous films during the early 1970s which have since achieved cult status including The Hired Hand (1971), Two-Lane Blacktop (1971) and Race with the Devil (1975). Oates also portrayed Sergeant Hulka in the box office hit Stripes (1981).

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