It is purely coincidental that an assassination attempt against the Minister of Defense is thwarted. The attempt on his life was made by a group of anarchists. There's an investigation of the clues, which will doubtless lead to the perpetrators; but the investigating commissioner has to proceed carefully, for it is likely there is a traitor in his ranks.
| Actor | Role |
|---|---|
 Willy BirgelCapt. Arvan Terno | Capt. Arvan Terno |
 Hilde WeissnerMarya Dusanovich, alias Marja Dusan | Marya Dusanovich, alias Marja Dusan |
 Bernhard MinettiClub Manager Bjelinski | Club Manager Bjelinski |
 René DeltgenRobby Glawar | Robby Glawar |
 Otto WernickePolice Commissar Borel | Police Commissar Borel |
 Theodor LoosThe Prefect of Police | The Prefect of Police |
 Kirsten HeibergSinger | Singer |