Terence Hill

Character: Johnny Firpo

Bud Spencer

Character: Charlie Firpo

Luciano Catenacci

Character: Paragoulis the Greek

Marisa Laurito

Character: Sister Susanna

Kim McKay

Character: Pupa

Sal Borgese

Character: Nynfus

Jerry Lester

Character: Mike Firpo

Woody Woodbury

Character: Admiral O'Connor

Carlo Reali

Character: Marine Officer

Riccardo Pizzuti

Character: Mancino

Giancarlo Bastianoni

Character: Verdone

Enzo Maggio

Character: Tappo

Giovanni Cianfriglia

Character: Gangster at Car Race

Claudio Ruffini

Character: Pinky

Sergio Smacchi

Character: Smilzo

Salvatore Basile

Character: Gangster with Cigar

Antonio Verzura

Character: Gangster

Jack McDermott

Character: Lt. o'connor

Massimo Ciprari

Character: Man in Pool Billard Pub (uncredited)

Bobby Gale

Character: Pedro (uncredited)

Giuseppe Pedersoli

Character: Naval officer (uncredited)

Mimmo Poli

Character: Shop Owner (uncredited)