William "Will" Janowitz (born May 25, 1980) is an American actor and writer for film and television. He is best known for playing Meadow Soprano's fiancé, Finn DeTrolio, on The Sopranos, Hymie Weiss on Boardwalk Empire (2012–2013), and Trevor in Bikini Moon (2017). Description above from the Wikipedia article Will Janowitz, licensed under CC-BY-SA, full list of contributors on Wikipedia.