Michael Leonard Ontkean (born January 24, 1946) is a Canadian retired actor. Born and raised in Vancouver, British Columbia, Ontkean relocated to the United States to attend the University of New Hampshire on a hockey scholarship before pursuing a career in acting in the early 1970s. He initially came to prominence portraying Officer Willie Gillis on the crime drama series The Rookies from 1972 to 1974, followed by lead roles in the hockey sports comedy film Slap Shot (1977) and the romantic comedy Willie & Phil (1980). In 1982, he had a starring role opposite Harry Hamlin and Kate Jackson in the drama Making Love, in which he portrayed a married man who comes to terms with his homosexuality. Ontkean continued to appear in films, such as Clara's Heart (1988) and Postcards from the Edge (1990) before being cast as Sheriff Harry S. Truman on David Lynch's Twin Peaks (1990–1991), the role for which he is best known. Michael Ontkean(1946년생, Vancouver, British Columbia, Canada) 는 배우로, 대표작으로 슬랩 샷, 트윈 픽스, Maid to Order가 있으며, 그 외에도 Ironside, Great Performances, 제3의 눈, The Partridge Family, Psi Factor: Chronicles of the Paranormal, Tales of the Unexpected, The Hitchhiker, 디센던트, Hawkeye and the Last of the Mohicans, North Shore, 헐리웃 스토리, 트윈 픽스: 더 미씽 피시즈 등 다양한 작품에 출연했다. (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2014년 트윈 픽스: 더 미씽 피시즈에서 Sheriff Harry S. Truman 역을 맡았다. 2011년 디센던트에서 Cousin Milo 역을 맡았다. 2004년 North Shore에 출연했다.