A riveting police drama about the men and women of the Chicago Police Department's District 21 who put it all on the line to serve and protect their community. District 21 is made up of two distinctly different groups: the … Jason Beghe, Marina Squerciati, Patrick John Flueger, LaRoyce Hawkins, Amy Morton, Jesse Lee Soffer, Jon Seda Added on NOW 2022-04-21. Added on Amazon Prime 2023-02-07. Youtube Trailer