- Eli Wallach
- Cacopoulos
- Terence Hill
- Cat Stevens
- Brock Peters
- Thomas
- Kevin McCarthy
- Drake
- Bud Spencer
- Hutch Bessy
- Livio Lorenzon
- Paco Rosa
- Steffen Zacharias
- Harold
- Tiffany Hoyveld
- Thomas' Wife
- Armando Bandini
- Bank Cashier
- Remo Capitani
- Cangaceiro
- Federico Boido
- Drake's blond henchman
- Isa Foster
- Cacopoulos' Woman
- Bruno Corazzari
- Charlie
- Dante Cleri
- Bankier, playing cards with Cacopoulos
- Antonietta Fiorito
- (as Antonietta Fiorito C.S.C.)
- Aldo Sala
- Casino employee, trying to break through door
- Giuseppe Terranova
- Treasurer in Casino
- Edoardo Torricella
- Roulette player, sitting left beside croupier
- Corrado Olmi
- Man Whom Cacopoulos Asks for Money
- Luciano Telli
- Roulette player, sitting right beside Cacopoulos
- Giancarlo Badessi
- Man with Moustache Promoting the Black Boxer
- Roger Beaumont
- Croupier
- Frank Braña
- Joe
- Arnaldo Caivano
- Townsman at Boxing Match
- Angelo Casadei
- Roulette Player
- Gildo Di Marco
- Henchman Choked by Hutch Bessy
- Mel Gaines
- Drake Henchman
- Franco GulÃ
- Al - Oldtimer
- Leroy Haynes
- Prize boxer
- Carlo Landa
- Rulette Player
- Gino Marturano
- Drake Henchman
- Quinto Marziale
- Casino Guest
- Fulvio Pellegrino
- Drunken Man
- Riccardo Pizzuti
- Henchman
- Vicente Roca
- Ramirez, Court Martial Member
- Enzo Santaniello
- Irish Family's Boy
- Simonetta Santaniello
- Irish Family's Daughter
- Luigi Tasca
- Casino Waiter
- José María Tasso
- Photographer
