Inspector Blomfield catches a thief who has a fatal accident while trying to escape in his car. A short time later, his drug-addicted brother Johnny enters the police station while Blomfield is investigating a murder and threatens to blow himself and everyone else up with a bottle of nitroglycerine.
| Actor | Role |
|---|---|
 Götz GeorgeEddie Blomfield | Eddie Blomfield |
 Werner PochathJohnny Smith | Johnny Smith |
 Eddi ArentSergeant Harry Colman | Sergeant Harry Colman |
 Ingeborg SchönerSusan Gillespie | Susan Gillespie |
 Siegfried WischnewskiInspector Sterling | Inspector Sterling |
 Karl SchönböckColonel Lister | Colonel Lister |
 Gert Günther HoffmannMac O'Hara | Mac O'Hara |
 Herbert FuxBlinky Smith | Blinky Smith |
| WWalter BarnesFred Lancaster | Fred Lancaster |
 Anthony SteelArthur Baker | Arthur Baker |
 Marianne HoffmannNelly Blomfield | Nelly Blomfield |
 Leopold RudolfShakespeare | Shakespeare |
| BBarbara LorenzMary | Mary |