Based on real events in 1974 in Riga: the robbery of collectors and the murder of the driver. The personnel of the Gorky, Odessa regional executive committees and the Internal Affairs Directorate of the Latvian SSR took part in the film.
| Actor | Role |
|---|---|
 Aleksandr PorokhovshchikovMarkov - nachalnik UVD | Markov - nachalnik UVD |
 Nikolai MerzlikinAleksey Ermolaev - major dezhurnyy | Aleksey Ermolaev - major dezhurnyy |
 Vladimir NikitinZvyagintsev - starshiy leitenent dezhurnyy | Zvyagintsev - starshiy leitenent dezhurnyy |
 A. AndreevRezerv | Rezerv |
 Fyodor BondarchukAndrey Kuzmichyov - narkoman | Andrey Kuzmichyov - narkoman |
| IIlze Vazdikastrelik VOKHRa | strelik VOKHRa |
| JJevgenijs VeversUdivlyonnyy svidetel | Udivlyonnyy svidetel |
 Galina Dyominasosedka Korolkovoy | sosedka Korolkovoy |
 Aleksei InzhevatovKorsakov | Korsakov |
| UUldis Jānis VeispalsKorenev | Korenev |
 Luidmila TsvetkovaSurikova | Surikova |