The screenplay was adapted by author David Osborn from his own novel of the same name: The movie credits refer to a work called "The All-Americans" but in actuality the book was simply called "Open Season" (Dial Press, New York, 1974). Veteran Spanish actor Simon Andreu is credited with the role of "Barman" in the cast listing during the credits of all three of the English language versions, but his performance not actually present in any of those prints in the versi ...[Read Story ]