'' The Polka King '' is an American biographical comedy film directed by Maya Forbes and written by Forbes and Wallace Wolodarsky . The film is about real-life Polish-American polka band leader Jan Lewan , who was imprisoned in 2004 for running a Ponzi scheme . The film stars Jack Black as Lewan , as well as Jenny Slate , Jason Schwartzman , and Jacki Weaver . It premiered at the 2017 Sundance Film Festival on January 22 , 2017 . It was released on Netflix on January 12 , 2018
2017 Sundance Film Festival
2017 Sundance Film Festival
The Polka King