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Harland Williams (born November 14, 1962) is a Canadian actor. After several years of stand-up in Toronto and Los Angeles he made his film debut in Dumb and Dumber (1994) before playing starring roles in the short-lived sitcom Simon and the Disney comedy RocketMan (1997). He co-starred in Half Baked and played a psychopathic hitch-hiker in There's Something About Mary in 1998. Wikipedia