Industrialist Pierre Verdier kills his mistress Jeanne Ancelin by throwing her off a train. Her husband, Ancelin, decides to take revenge on his wife's murderer, who has been acquitted by justice.

Lino Ventura
as Ancelin

Jacques Berthier
as Pierre Verdier

Daniel Ceccaldi
as Italian taxi customer

Robert Dalban
as Raymond, taxi driver

Micheline Luccioni
as Germaine, radio taxi

Franco Fabrizi
as Lambert, night radio taxi

Janine Darcey
as Owner of the hotel

Jacques Monod
as Verdier's lawyer

Michel Etcheverry
as Investigating judge

Sandra Milo
as Liliane