Yul Brynner
Peter Marciani
Massimo Ranieri
Angelo
Barbara Bouchet
Anny
Martin Balsam
Commissario
Giacomo Furia
Brigadiere Cannavale
Sal Borgese
Vincent
Loris Bazzocchi
Pasquale
Rosario Borelli
Gallo's henchman
Luigi Bonos
Peppiniello
Renzo Marignano
Doctor
Giancarlo Sbragia
Gennaro Gallo
Gilberto Galimberti
Gallo Henchman (uncredited)
Gennaro Beneduce
Man at Police Station (uncredited)
Paul Costello
Desk clerk (uncredited)
Domenico Di Costanzo
Leonardi Bodyguard (uncredited)
Franco Marino
Gallo Henchman (uncredited)
Umberto Santolamazza
Gangster (uncredited)
Edoardo Mascia
Gallo Henchman (uncredited)
Tommaso Palladino
Gallo Henchman (uncredited)
Liana Tabacchino
Wedding guest witnessing the groom's murder (uncredited)
Vezio Natili
Gangster (uncredited)