When an oily attorney dies at the hands of the mafia, a dedicated French detective investigates the man's murder. He soon uncovers a drug-smuggling operation and lets his sawed-off shotgun do the talking to the toughs in this Gallic gangster feature.

Robert Hossein
Maître Bianchini

Claude Mann
Commissioner Lambert

Claudine Coster
Isabelle Bianchini

Robert Manuel
Head of the narcotics squad

José Luis de Vilallonga
Mario Vérona

Carl Studer
Morgan

Noëlle Noblecourt
Flight attendant
Alain Gottvalles
Luciano

Michel Creton
Fabiani

Paul Préboist
Garage Attendant
Lilly Bistrattin
Sandra

Gigi Ballista
Aldo
Raoul Saint-Yves
Director of the prison

André Badin
Mechanic (uncredited)

Robert Dalban
(uncredited)