John Karlen (born John Karlewicz on May 28, 1933 in New York City) is a character actor best known for playing Willie Loomis and other characters on the ABC cult serial Dark Shadows, in various episodes between 206 and 1245, which aired from 1966-1971. he also starred in the 1975 television film, "Trilogy of Terror". Other serials on which he appeared include "From These Roots,' "Another World,' and "Love Is a Many Splendored Thing" (as Jock Porter). Wikipedia
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