Marc Elbichon, a novice private sleuth, is investigating a wave of assassinations bearing a particular characteristic: the perpetrator, dubbed the "telephone killer" always strangles his female victims with a telephone cord.
Didier Bourdon
Marc Elbichon
Bernard Campan
Ugo
Pascal Légitimus
Blacky
Smaïn
Momo
Seymour Brussel
Franck
Jean-Claude Brialy
Le commissaire