Générique complet
Le Témoin à abattre
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
Paul Costello
Cammarano
Luigi Diberti
Belli's Assistant
Mario Erpichini
Rivalta
Zoe Incrocci
Scavino's Wife
Bruno Corazzari
Scavino's Assassin
Massimo Vanni
Killer
Víctor Israel
Scorfano
Joaquín Solís
Tony, Cafiero's Servant
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)
Sergio Soldano
Extra (uncredited)
Lorenzo Piani
Dock Worker (uncredited)
Carla Mancini
Girl Watching TV (uncredited)
Réalisation
Scénario
Tito Carpi
Scénario, Histoire
Leonardo Martín
Scénario
Vincenzo Mannino
Scénario
Maurizio Amati
Histoire
Gianfranco Clerici
Scénario
Gene Luotto
Dialogue
Enzo G. Castellari
Scénario
