Carl-Gustaf Lindstedt

Martin Beck

Sven Wollter

Lennart Kollberg

Thomas Hellberg

Gunvald Larsson

Håkan Serner

Einar Rönn

Ingvar Hirdwall

Åke Eriksson

Birgitta Valberg

Widow Nyman

Carl-Axel Heiknert

Hult

Torgny Anderberg

Malm

Bellan Roos

Mamma Eriksson

Gus Dahlström

Pappa Eriksson

Folke Hjort

Melander

Eva Remaeus

Mrs. Kollberg

Gunnel Wadner

Martin Beck's Wife

Harald Hamrell

Stefan Nyman

Bo Widerberg

Man in Red Shirt (uncredited)

Johan Widerberg

Kollberg's Son (uncredited)

Nina Widerberg

Martin Beck's Daughter (uncredited)

Karin Bergstrand

Old Lady Drinking Coffee (uncredited)

Torbjörn Tännsjö

Angry Man at Police Station (uncredited)

Michaela Jolin

Screaming Woman on the Bus (uncredited)

Bo Holmström

TV Journalist (uncredited)

Jan Sandquist

Reporter at Odenplan (uncredited)

Lars Säfström

Reporter at Odenplan (uncredited)

Dan Lindhe

Mustached Policeman (uncredited)

Johan Thorén

Policeman Shot Under Helicopter (uncredited)