"People on a train get murdered. Who is the murderer? Everybody on the train is a suspect. One of them is the homosexual dope fiend played by Heinz Hopf. Things might get out of hand in this exciting thriller in true Hitchcockian style."
Allan Edwall
as Wilhelmsson
Heinz Hopf
as Gregor Hult
Björn Gustafson
as Valfrid Andersson
Lars Ekborg
as Adolf Hellberg
Elsa Prawitz
as Karin Swan
Nils Hallberg
as Hultberg
Erik Hell
as Tryggve Holm
Hans Bendrik
as Lokföraren
Ewa Strömberg
as Pia
Britta Pettersson
as
Karl-Arne Holmsten
Curt Masreliez
Tore Bengtsson
Frej Lindqvist
Christina Carlwind
Olle Björling
Li Sellgren
Julie Bernby
Karl-Arne Bergman
Lars-Åke Bergwall
Gunnar Stanzén
Monique Ernstdotter
Gerd Widestedt
Carl-Olov Skeppstedt
Editor
Arne Mattsson
Director
Per Wahlöö
Writer
Maj Sjöwall
Olle Unnerstad
Sound
Georg Riedel
Original Music Composer
Rolf Boman
Production Design
Lasse Björne
Director of Photography
Eivor Kullberg
Costume Design
Bengt Ottekil
Makeup Artist