During the broadcast of a live game show, a surprise guest is shot by an armed assassin.The victim, Martin Gaillard, recounts the bizarre series of events that led to this extraordinary denouement.

Victor Lanoux
as Charles Mazzena

Eric Blanc
as Martin Gaillard

Jean Carmet
as Le Colonel

Michel Galabru
as Le commissaire Le Bourreux

Françoise Dorner
as Julie

Agnès Blanchot
as La blonde

Jean-Marie Lemaire
as Marcel

Roland Giraud
as Jacquemart

Francis Renaud
as