John Francis Dunsworth ( April 12 , 1946 – October 16 , 2017 ) was a Canadian actor , best known for playing the alcoholic trailer park supervisor Jim Lahey on the comedy series '' Trailer Park Boys '' , despite not drinking for the part . He is also known for playing the mysterious reporter Dave Teagues on the supernatural drama series '' Haven '' , and for playing Officer McNabb in '' Shattered City : The Halifax Explosion '' , a CBC film about the 1917 Halifax Explosion . He had extensive experience in regional theater
Halifax Explosion
Halifax Explosion
John Dunsworth