Cast
Dragan Bjelogrlić as Andra Tanasijević "Tane", the Great War veteran, turned police inspector, relies on his intuition and traditional police methods to solve the murders, his knowledge of the city and people mentality in combination with the more modern methods of younger Inspector Pletikosic bring success in solving the cases. Bjelogrlić was also the producer and director of the series.
Andrija Kuzmanović as Inspector Stanko Pletikosić, a young forensic scientist, returning to Belgrade after studying in Switzerland, bringing modern methods and techniques that will help him during the investigation of a series of mysterious murders that are happening in the city. The role of Pletikosić was supposed to be played by Miloš Biković, with whom Bjelogrlić already collaborated on Montevideo, God Bless You!, but he gave up because of obligations he had in Russia.
Marija Bergam as Maja Davidović, wealthy owner of an influential bank, with a mysterious background and part of the Belgrade's High Society, associated with most of the victims of monstrous ritual killings and with the compromising controversy surrounding General Zivkovic.
Gordan Kičić as Alimpije Mirić, an unscrupulous businessman, close to the authorities of the Kingdom, mysterious head of the Belgrade criminal underworld, known by the alias of "Kaluđer" (the Monk).
Nenad Jezdić as Krojač (the "Tailor"), the Great War veteran, turned criminal and leader of the infamous Jatagan Mala gang, working for the Kaluđer's criminal organization in the first season.
Nebojša Dugalić as General Živković, head of the Yugoslav secret services, a gray eminence figure and one of the most powerful persons in the Kingdom of Yugoslavia, at time.
Sebastian Cavazza as Gabriel Maht, a mysterious German nobleman and businessman, just arrived in Belgrade, secretly one of the high-ranked members of the "Thule" cult.
Branimir Brstina as Dimitrijević, senior Belgrade police department captain, unquestioningly subordinate to the authorities, between serving the law and serving the powerful, he chooses what is best for his survival in the office. Tanasijević's longtime superior and friend.
Dragan Petrović, as dr. Konstantin Avakumović, a reputable Belgrade psychiatrist, with a mysterious and dark background, husband of Maja Davidović's friend Krista Avakumović.
Goran Bogdan as Mustafa Golubić, Bosnian-born Soviet assassin and communist revolutionary, the Great War veteran turned Soviet intelligence agent send to Belgrade, known as a "man with a hundred faces". Krista Avakumović's lover.
Aleksandr Galibin as Pyotr Wrangel, one of the White Movement generals, exiled in Belgrade with parts of his Army, backed by the Yugoslav authorities. Galibin remarked that he was delighted to play such an important historical figure: "It is such a precious thing to me to be playing such an important historical figure as general Wrangel was. I am particularly glad that we are filming in this church, where his body rests. That is especially touching."
Toni Mihajlovski as Damjan Hadži Arsov, a fictitious leader of terrorist Internal Macedonian Revolutionary Organization (IMRO) and Tane's comrade from the Great War. Dejan Stojiljković, who is one of the screenwriters, said that his character is not based on Vanča Mihailov, but "has more similarities with the revolutionary Dame Gruev".
Jana Stojanovska as Jovana, a Macedonian revolutionary and Damjan Hadži Arsov's sister. Her character was based on Mara Buneva, also the member of Internal Macedonian Revolutionary Organization.
Nikola Ristanovski as Dr. Archibald Reiss, a Swiss forensic scientist and Stanko Pletikosić's mentor. In the series, he assists two inspectors in solving the mystery surrounding the Necklace and Lance of Longinus.
Srđan Žika Todorović as Dr. Babić, pathologist, a grouchy medical examiner at the Belgrade police department, Tanasijević's longtime friend.
Jovana Stojiljković as Bojana Antić, assistant medical examiner at the Belgrade police department, Pletikosić's love interests and lover of Mustafa Golubić. Member of the banned Communist Party.
Miloš Timotijević as Vojin Đukić, State prosecutor, Maja Davidović's lover, and husband of Violeta Đukić, the first victim of series of ritual murders in Belgrade.
Nikola Đuričko as Đolović, Colonel of the secret police, one of General Zivkovic's closest associates, ready for any deal, mixing personal and state interests.
Bojan Navojec as Ante Pavelić, controversial lawyer and Croatian nationalist leader, founding Ustaše, a fascist terrorist organization, planning assassination of King Alexander of Yugoslavia, maintaining close cooperation with IMRO, as well with their benefactors in Vienna and in the Fascist Italy.
Žarko Laušević as Đorđe P. Karađorđević, mentally unstable abdicated-Crown Prince, imprisoned in an isolated mental institution, headed by Avakumović, for which he blames his younger brother King Alexander I.
Radovan Vujović as Prince Paul the younger brother of King Alexander and a powerful political figure in the country. A passionate art collector, during the second series he manages construction of Ivan Meštrović's monumental Monument to the Unknown Hero at Mount Avala. After the assassination of his brother, he becomes prince regent for his nephew.
Vlado Novák as Anton Korošec, imprisoned former minister of internal affairs, in conflict with Belgrade authorities. The role was supposed to be played by Jernej Šugman, Slovenian actor who died in December 2017.
Bogdan Diklić as Obrad Savković, an influential and powerful Nazi-backed magnate and owner of the New Era pro-Axis political journal, pursues its agenda by resorting to intrigue and blackmail.