Here is a newspaper description.
All good actors and actresses. Steve Buscemi definitely a creepy type who will probably play the role of a SonderkommandoThe Nazis force prisoners at Auschwitz to help exterminate fellow Jews in exchange for a few more months of life. Directed by Tim Blake Nelson and based on actual events. With Steve Buscemi, David Arquette, Harvey Keitel, Mira Sorvino and Natasha Lyonne.