Knallhart
- annos singulos: 2006
- Patriam: Germany
- genus: Drama, Thriller
- Studio: Boje Buck Produktion GmbH
- keyword: drug dealer, individual, friendship, berlin, germany, street gang, protection money, blackmail, drug trafficking, ex-boyfriend, class, cocaine, neukölln, zehlendorf, move, neglect, drug mule, single, murder, marijuana, youth gang, police officer, unemployment
- Director: Detlev Buck
- cast: David Kross, Jenny Elvers, Erhan Emre, Oktay Özdemir, Kida Khodr Ramadan, Arnel Taci