 Carl-Gustaf LindstedtMartin Beck | Martin Beck |
 Sven WollterLennart Kollberg | Lennart Kollberg |
 Thomas HellbergGunvald Larsson | Gunvald Larsson |
 Håkan SernerEinar Rönn | Einar Rönn |
 Ingvar HirdwallÅke Eriksson | Åke Eriksson |
 Birgitta ValbergWidow Nyman | Widow Nyman |
 Carl-Axel HeiknertHult | Hult |
 Torgny AnderbergMalm | Malm |
 Bellan RoosMamma Eriksson | Mamma Eriksson |
 Gus DahlströmPappa Eriksson | Pappa Eriksson |
 Folke HjortMelander | Melander |
 Eva RemaeusMrs. Kollberg | Mrs. Kollberg |
 Gunnel WadnerMartin Beck's Wife | Martin Beck's Wife |
 Harald HamrellStefan Nyman | Stefan Nyman |
 Bo WiderbergMan in Red Shirt (uncredited) | Man in Red Shirt (uncredited) |
 Johan WiderbergKollberg's Son (uncredited) | Kollberg's Son (uncredited) |
 Nina WiderbergMartin Beck's Daughter (uncredited) | Martin Beck's Daughter (uncredited) |
| KKarin BergstrandOld Lady Drinking Coffee (uncredited) | Old Lady Drinking Coffee (uncredited) |
| TTorbjörn TännsjöAngry Man at Police Station (uncredited) | Angry Man at Police Station (uncredited) |
| MMichaela JolinScreaming Woman on the Bus (uncredited) | Screaming Woman on the Bus (uncredited) |
 Bo HolmströmTV Journalist (uncredited) | TV Journalist (uncredited) |
 Jan SandquistReporter at Odenplan (uncredited) | Reporter at Odenplan (uncredited) |
| LLars SäfströmReporter at Odenplan (uncredited) | Reporter at Odenplan (uncredited) |
| DDan LindheMustached Policeman (uncredited) | Mustached Policeman (uncredited) |
| JJohan ThorénPoliceman Shot Under Helicopter (uncredited) | Policeman Shot Under Helicopter (uncredited) |
