Dagmara Dominczyk Polonya asıllı Amerikalı oyuncu ve yazardır. Rock Star (2001), Monte Kristo Kontu (2002), Kinsey (2004), Trust the Man (2005), Lonely Hearts (2006), Running with Scissors (2006), Higher Ground (2011), The Letter (2012), The Immigrant (2013), Big Stone Gap (2014), A Woman, a Part (2016), The Assistant (2019) ve The Lost Daughter (2021) filmlerinde rol almıştır.