- Country: Germany
- Genres: Crime, Drama, Mystery
- Release: 2019-12-19
- Director: Markus Sehr
- Writers: Holger Karsten Schmidt
- Language: German
- Stars: Aljoscha Stadelmann , Moritz Führmann , Anna Fischer , Sibylle Canonica , Franziska Weisz , Holger Handtke , Maike Jüttendonk , Kailas Mahadevan , Andreas Leupold , Holger Bülow
- Runtime: 93 min
- Awards: N/A
- AKA: Harter Brocken: Der Geheimcode (Germany) , Der Geheimcode
- Plot:
Policeman Koops witnesses a car accident. The dying driver gives him an envelope with the part of a code. Shortly thereafter, Koops gets in the sights of a contract killer.
- IMDB:tt9054558
Harter Brocken 4: Die dunkle Seite des Mondes Cast · · · ALL
Markus Sehr
Director
Aljoscha Stadelmann
Frank Koops
Anna Fischer
Mette Vogt
Sibylle Canonica
Maria Joseph
Franziska Weisz
Claudia Böhm
Holger Handtke
Ralf Winter
Maike Jüttendonk
Annett Kruse
Kailas Mahadevan
Max Roth
Andreas Leupold
Dr. Müllerschön
Rainer Frank
Jürgen Kindler
Omar El-Saeidi
Dr. Saidi
Heinrich Cuipers
Simon Schürer
Mateusz Dopieralski
Paraglider Kevin