"When an inspector is murdered in hospital, the investigation led by Detective Martin Beck uncovers reports of misconduct and possibly revenge."
Carl-Gustaf Lindstedt
as Martin Beck
Sven Wollter
as Lennart Kollberg
Thomas Hellberg
as Gunvald Larsson
Håkan Serner
as Einar Rönn
Ingvar Hirdwall
as Åke Eriksson
Birgitta Valberg
as Widow Nyman
Carl-Axel Heiknert
as Hult
Torgny Anderberg
as Malm
Bellan Roos
as Mamma Eriksson
Gus Dahlström
as Pappa Eriksson
Folke Hjort
as Melander
Eva Remaeus
as Mrs. Kollberg
Gunnel Wadner
as Martin Beck's Wife
Harald Hamrell
as Stefan Nyman
Bo Widerberg
as Man in Red Shirt (uncredited)
Johan Widerberg
as Kollberg's Son (uncredited)
Nina Widerberg
as Martin Beck's Daughter (uncredited)
Karin Bergstrand
as Old Lady Drinking Coffee (uncredited)
Torbjörn Tännsjö
as Angry Man at Police Station (uncredited)
Michaela Jolin
as Screaming Woman on the Bus (uncredited)
Bo Holmström
as TV Journalist (uncredited)
Jan Sandquist
as Reporter at Odenplan (uncredited)
Lars Säfström
Dan Lindhe
as Mustached Policeman (uncredited)
Johan Thorén
as Policeman Shot Under Helicopter (uncredited)
Director
Göran Carmback
Sound
Lennart Dunér
Peter Ekvall
Leif Westerlund
Maj Sjöwall
Novel
Per Wahlöö
Screenplay
Per Berglund
Producer
Per Källberg
Director of Photography
Odd-Geir Sæther
Sylvia Ingemarsson
Editor
Ulf Axén
Production Design
Art Direction
Suzanne Branner
Production Manager
Stefan Jarl
Assistant Director
Bo Arne Vibenius
Björn J:son Lindh
Original Music Composer