
Biography
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.
Filmography25 titles

Twin Peaks

The Outer Limits

Twin Peaks: The Missing Pieces

PSI Factor: Chronicles of the Paranormal

The Rookies

The Partridge Family

Ironside

The Descendants

Tales of the Unexpected

Slap Shot

Postcards from the Edge

Nico the Unicorn

Great Performances

The Right of the People

The Man Next Door

Bear with Me

Clara's Heart

Hawkeye and the Last of the Mohicans

Green Sails

The Peace Killers

In Defense of a Married Man

Necromancy

Hot Summer Week

Voices

Rapture