A bomb attempt is prevented in the last minute but one question remains: who placed the bomb? After some stakeout work the police are on the track and a wild hunt through Stockholm begins.
| Actor | Role |
|---|---|
 Allan BohlinNot listed | Not listed |
 Åke GrönbergNot listed | Not listed |
 Emil FjellströmNot listed | Not listed |
 Marianne LöfgrenNot listed | Not listed |
 Inga-Bodil VetterlundNot listed | Not listed |
 Naima WifstrandNot listed | Not listed |
 Nils OhlinNot listed | Not listed |
 Sven MagnussonNot listed | Not listed |
 Torsten HillbergNot listed | Not listed |
 Egon LarssonNot listed | Not listed |
 Anders FrithiofNot listed | Not listed |
 Anna-Lisa BaudeNot listed | Not listed |
 Gösta BernhardNot listed | Not listed |
 Arthur FischerNot listed | Not listed |
 Arne LindbladNot listed | Not listed |
 Sten LindgrenNot listed | Not listed |
 Curt LöwgrenNot listed | Not listed |
 Berndt WesterbergNot listed | Not listed |