A traitor to blame for the death of members of a Bolshevik underground organization is finally revealed.
| Actor | Role |
|---|---|
| TTatiana VishnevskaiaNastya | Nastya |
| AA. GorelovPolezhayev | Polezhayev |
| AAram AmirbekyanPoletayev | Poletayev |
| EEduard KhochikSecond Officer | Second Officer |
| LL. KolomenskiyDemobilized | Demobilized |
| TTatik SaryanCounterintelligence Officer | Counterintelligence Officer |
| PP. VolkonskiyStudent | Student |
| NNikolai KolomenskyNot listed | Not listed |