The Violent Four

Gian Maria Volonté

Piero Cavallero

Don Backy

Sante Notarnicola

Tomas Milian

Commissioner Basevi

Ray Lovelock

Donato 'Tuccio' Lopez

Margaret Lee

Prostitute

Carla Gravina

Anna

Piero Mazzarella

Piva

Ezio Sancrotti

Adriano Rovoletto 'Bartolini'

Laura Solari

Tuccio's Mother

Pietro Martellanza

The Protector

María Rosa Sclauzero

Piero's Secretary

Ida Meda

Moglie di Piero

Enzo Fisichella

Policeman

Gianni Bortolotti

Giovanni Ivan Scratuglia

Gianni Pulone

Emy Rossi Scotti

Agostina Belli

Girl hostage (uncredited)

Ugo Bologna

Police Official (uncredited)

Enzo Consoli

(uncredited)

Nino Crisman

Police official (uncredited)

Pupo De Luca

Man of the 1100 (uncredited)

Umberto Di Grazia

(uncredited)

Carlo Lizzani

Police official (uncredited)