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.
Is Mördaren - en helt vanlig person on Netflix? Unfortunately the movie Mördaren - en helt vanlig person is not yet available on Netflix.
| Editing | Carl-Olov Skeppstedt | Editor |
| Directing | Arne Mattsson | Director |
| Writing | Per Wahlöö | Writer |
| Writing | Arne Mattsson | Writer |
| Writing | Maj Sjöwall | Writer |
| Sound | Olle Unnerstad | Sound |
| Sound | Georg Riedel | Original Music Composer |
| Art | Rolf Boman | Production Design |
| Camera | Lasse Björne | Director of Photography |
| Costume & Make-Up | Eivor Kullberg | Costume Design |
| Costume & Make-Up | Bengt Ottekil | Makeup Artist |
