A secret agent is murdered by his jealous wife who mistakenly interprets his absences from home as acts of infidelity.

Stéphane Audran
as Dominique

Klaus Kinski
as Pavel Richko / Torpédo I

Lilli Palmer
as Helen

Michel Constantin
as Coster

Angelo Infanti
as Jean / Gianni

Jean Claudio
as Fédor 'La Filature'

Frédéric de Pasquale
as Nicolas Baslier Krestowitz

Noëlle Adam
as Laurence, Dominique's friend

Philippe March
as The effeminate salesman

Christine Fabréga
as Sylvianne Collet