Robert Woods
— Johnny "Colt" Blythe / Starblack
Elga Andersen
— Caroline Williams
Franco Lantieri
— Curry
Jane Tilden
— Johnny's Mother
Harald Wolff
— Thomas King
Andrea Scotti
— Sheriff
Eugenio Galadini
— Williams
Howard Ross
— Jop
Valentino Macchi
Rossella Bergamonti
Sergio Ukmar
Demeter Bitenc
— Burt
Vincenzo Maggio
— Gunman