Tomas Milian as Nico Giraldi

Jack Palance as Norman Shelley / Richard J. Russo

Maria Rosaria Omaggio as Silvia Cattani

Guido Mannari as Achille "Baronetto" Bertinari

Jack La Cayenne as Colombo

Raf Luca as Brigadier Gargiulo

Benito Stefanelli as Shelley's Henchman

Toni Ucci as Lando "Grottaferrata" Rossi

Marcello Martana as Marshal Trentini

Vincenzo Crocitti as Zagaja

Roberto Chiappa as Gibo

Roberto Messina as Police Commissioner Tozzi

Adriano Valentini as Otello

Anna Melita as Adelaide

Angelo Pellegrino as Chiappetta

Giovanni Attanasio as Carabineer

Domenico Cianfriglia as Cinese

Franco Garofalo as Garba

Mimmo Poli as Gaetano Bozzetti

Vittorio Sancisi as Andrea Mangiagalli

Giuliano Sestili as Dante "Er Bove Der Testaccio" Ramucci

Massimo Stazzi as Dumb Kid

Enrico Marciani as Eugenio "Er Cavallaro" Bagolini (uncredited)

John P. Dulaney as Ballarin (uncredited)

Iolanda Fortini as Mamma Teresa (uncredited)

Attilio Severini as Ciancica (uncredited)

Quinto Gambi as Saved Thief (uncredited)

Mario Donatone as Brigadier (uncredited)

Rossana Canghiari as Fur Coat Woman (uncredited)

Alba Maiolini as Nun (uncredited)

Benito Pacifico as Shelley's Henchman (uncredited)

Sergio Testori as Shelley's Henchman (uncredited)

Marcello Verziera as Shelley's Henchman (uncredited)

Adriana Bruno as Angry Woman at Market (uncredited)

Pietro Ceccarelli as Suitcase Man (uncredited)

Giovanna Chemeri as Mugged Woman (uncredited)

Lina Franchi as Angry Woman at Market (uncredited)

Gilberto Galimberti as Man Beating Thief (uncredited)

Giuseppe Mattei as Man Beating Thief (uncredited)

Eros Buttaglieri as Fur Coat Woman's Husband (uncredited)

Pietro Innocenzi as Man at Hotel Lord Byron (uncredited)