Michael Ontkean (born 24 January 1946) is a Canadian actor.
Ontkean was born in Vancouver, British Columbia, the son of Muriel (née Cooper), an actress, and Leonard Ontkean, a boxer and actor.
Ontkean is best known for early roles in the film Slap Shot and the ABC series The Rookies. He is arguably most famous and well known for his role as Sheriff Harry S. Truman in...