A woman is found murdered in a closed amusement park. A young couple who happen to be there at the same time become, without their knowledge, suspects for the murder. They are chased by a large number of police but only Martin Beck believes them to be innocent.
Gösta Ekman
Martin Beck
Kjell Bergqvist
Lennart Kollberg
Rolf Lassgård
Gunvald Larsson
Johan Widerberg
Kasper
Marie-Thérèse Sarrazin
Mårds kvinna
Tomas Norström
Herrgott Nöjd
Anica Dobra
Kia
Heinz Hoenig
Kapten Mård
