A hatter in a provincial town (Michel Serrault) leads the life of a respectable citizen but is in fact a serial murderer. The only person to suspect this is his neighbour the tailor (Charles Asnavour).
as Léon Labbé
as Kachoudas, le tailleur
as Mme Labbé
as Jeantet
as Alice Kachoudas
as Le sénateur Laude
as Arnoult
as Berthe
