Franco Nero
Commissario Belli

James Whitmore
Commissioner Aldo Scavino

Fernando Rey
Cafiero

Stefania Girolami Goodwin
Anita

Duilio Del Prete
Umberto Griva

Silvano Tranquilli
Franco Griva

Ely Galleani
Chicca

Daniel Martín
Rico

Delia Boccardo
Mirella

Luigi Diberti
Belli's Assistant

Mario Erpichini
Rivalta

Zoe Incrocci
Scavino's Wife

Bruno Corazzari
Scavino's Assassin

Massimo Vanni
Killer

Víctor Israel
Scorfano

Edy Biagetti
Griva Associate

Paolo Giusti
Man at Chicca's House

Enzo G. Castellari
Reporter

Mickey Knox
Newsman at Party

Walter Patriarca
Killer with Sunglasses (uncredited)

Nello Pazzafini
Hitman (uncredited)

Giovanni Cianfriglia
Hitman (uncredited)

Riccardo Petrazzi
Hitman (uncredited)

Benito Pacifico
Cafiero Henchman (uncredited)

Leonardo Scavino
Coroner (uncredited)

Natasha Richardson
Girl Playing Hopscotch (uncredited)

Lorenzo Piani
Dock Worker (uncredited)

Carla Mancini
Girl Watching TV (uncredited)