Terence Hill as Matt Kirby

Bud Spencer as Wilbur Walsh

David Huddleston as Captain McBride

Luciano Catenacci as Fred 'Curly' Cline

Ezio Marano as Bloodsucker

Luciano Rossi as Geronimo

Luigi Casellato as Drugstore Owner

Edy Biagetti as Lieutenant Governor

Jill Flanter as Countess Galina Kochilova

Laura Gemser as Suzy Lee

April Clough as Angie Crawford

Riccardo Pizzuti as Fred's Henchman

Claudio Ruffini as Fred's Henchman

Roberto Messina as Fred's Henchman

Rocco Lerro as one of the thugs in the pub

Roberto Dell'Acqua as one of the thugs in the pub

Sergio Ukmar as one of the thugs in the pub

Duilio Olmi as one of the thugs in the pub

Giancarlo Bastianoni as Fred's Henchman

Emilio Delle Piane as Pierre, Fred's waiter

Giovanni Cianfriglia as Racket in the bowling alley

Fortunato Arena as Bouncer at Bowling

Ottaviano Dell'Acqua as Geronimo' s Man

Omero Capanna as Hitman (uncredited)

William Conroy as Man (uncredited)

Alex Edlin as Puncher in Football Stadium (uncredited)

Osiride Pevarello as Circus Man (uncredited)

Pietro Torrisi as Fred's henchman (uncredited)

Frank Nuyen as Suzy Lee's grandfather (uncredited)