From Wikipedia, the free encyclopedia. Jan Gustaf Troell (born 23 July 1931) is a Swedish film director. Typically Troell writes his own scripts, and serves as his own director of photography. He is known for his realistic films, with a lyrical photography in which nature is generally present. Jan Troell is cited as one of the greatest modern Swedish film directors, along with Ingmar Bergman, and Bo Widerberg. Description above from the Wikipedia article Jan Troell, licensed under CC-BY-SA, full list of contributors on Wikipedia​