Detective Martin Beck investigates the grisly murder of a police Lieutenant in his hospital room, he soon realises the urgency of the case when it turns out the killer may hold a hatred for all policemen.
| Directing | Bo Widerberg | Director |
| Production | Per Berglund | Producer |
| Art | Ulf Axén | Production Design |
| Camera | Odd-Geir Sæther | Director of Photography |
| Directing | Stefan Jarl | Assistant Director |
| Art | Ulf Axén | Art Direction |
| Production | Stefan Jarl | Production Manager |
| Writing | Per Wahlöö | Novel |
| Editing | Sylvia Ingemarsson | Editor |
| Writing | Maj Sjöwall | Novel |
| Sound | Björn Json Lindh | Original Music Composer |
| Camera | Per Källberg | Director of Photography |
| Writing | Bo Widerberg | Screenplay |
| Editing | Bo Widerberg | Editor |
| Production | Suzanne Branner | Production Manager |
| Sound | Göran Carmback | Sound |
| Sound | Lennart Dunér | Sound |
| Sound | Peter Ekvall | Sound |
| Sound | Leif Westerlund | Sound |
| Production | Bo Arne Vibenius | Production Manager |
