Gennadi Korolkov as Boris Varaksin, KGB officer, senior lieutenant

Viktor Chekmaryov as Heinrich Osipovich Bush, friend of Yushkov

Nikolay Eryomenko as Sibul, militia captain

Vatslav Dvorzhetsky as Kyrgemaa, head of the local city department of the KGB

Irina Skobtseva as Claudia Nikolaevna Yushkova, wife of the murdered

Ivan Pereverzev as Ivan Fedorovich Voitin, Varaksin's neighbor by hotel number

Harijs Liepiņš as Otto Yanovich Pukhalsky, Varaksin's neighbor by hotel number

Ants Eskola as Martin Mäger, Bush's neighbor, fishery officer

Vera Saranova as Raya Poznanskaya, hotel administrator

Olga Krūmiņa as Tiina Laanemets, former underground fighter

Nikolai Lebedev as Vladimir Panteleimonovich Popov

Eve Kivi as Kristina Kuslap, KGB officer

Lev Perfilov as KGB officer

Irina Sterlyadkina as Irina, Martin Mäger's secretary-typist