Brawl in Cell Block 99 is a 2017 American neo-noir prison action thriller film directed and written by S. Craig Zahler and starring Vince Vaughn with Jennifer Carpenter, Don Johnson, Udo Kier, Marc Blucas, and Tom Guiry. The story follows Bradley Thomas, a drug mule who must kill a man held in a maximum security prison to rescue his pregnant wife from a vengeful drug lord.

Udo Kierspe, known professionally as Udo Kier, is a German actor. Known primarily as a character actor, Kier has appeared in more than 220 films in both leading and supporting roles throughout Europe and the Americas. He has collaborated with acclaimed filmmakers such as Lars von Trier, Gus Van Sant, Werner Herzog, Rainer Werner Fassbinder, Walerian Borowczyk, Kleber Mendonça Filho, Dario Argento, Charles Matton, Guy Maddin, Alexander Payne, and Paul Morrissey.