Caliber 9

Gastone Moschin

Ugo Piazza

Barbara Bouchet

Nelly Bordon

Mario Adorf

Rocco Musco

Frank Wolff

Police Commissioner

Luigi Pistilli

Mercuri

Ivo Garrani

Don Vincenzo

Lionel Stander

L'Americano / The Mikado

Philippe Leroy

Chino

Mario Novelli

Pasquale Tallarico

Giuseppe Castellano

Nicola

Salvatore Arico

Luca

Fernando Cerulli

Hotel Clerk

Giulio Baraghini

Brigadier

Ernesto Colli

Alfredo Bertolon

Omero Capanna

Couriers Supervisor

Empedocle Buzzanca

2nd Courier

Ettore Geri

Bartender

Gastone Pescucci

Policeman

Fortunato Cecilia

Vincenzo Affatato

Sergio Serafini

4th Courier

Giorgio Trestini

Franceschino

Luigi Antonio Guerra

Desk Policeman

Imelde Marani

3th Courier

Marina Brengola

Americano's Entraîneuse

Rossella Bergamonti

Americano's Entraîneuse

Edda Tiberio

Americano's Entraîneuse

Diomira Vidotto

Americano's Entraîneuse

Franco Beltramme

Americano's Henchman

Domenico Maggio

Americano's Henchman

Giuseppe Leone

Americano's Henchman

Alberto Fogliani

Americano's Henchman

Gianni Milito

Americano's Henchman

Toni Trono

Cesare Di Vito

Policeman

Antonio Mea

Americano's Henchman

Mario Pavone

Americano's Henchman

Bruno Bertocci

1st Courier - François Doremat

Luciano Cecchini

Alessandro Tedeschi

German Courier

Artemio Antonini

Americano's Henchman (uncredited)

Gilberto Galimberti

Americano's Henchman (uncredited)

Nello Palladino

Policeman (uncredited)

Mauro Vestri

Policeman (uncredited)

Domenico Demitri

Man at Reception Area (uncredited)