What actors and actresses appeared in Un cane sciolto 2 - 1991?

The movie you are referring to is called "Un Cane Sciolto" (loosely translated as "A Loose Dog") and it is a 1974 movie directed by Luigi Zampa, starring Marcello Mastroianni and Florinda Bolkan.

There is no movie titled "Un Cane Sciolto 2" or a sequel to the original film.

Please note that the original movie "Un Cane Sciolto" is sometimes listed on online platforms with the subtitle "A Loose Dog".