What actors and actresses appeared in Gli strani casi di Collericcio - 1920?

It seems you are asking about a fictional movie title, "Gli strani casi di Collericcio - 1920". There is no evidence of a real movie with this title.

It's possible that:

* You may have misremembered the title or year. There are many Italian movies, and it's easy to make a mistake. Double-check your information.

* It could be a made-up movie title. It's not uncommon for people to come up with fictional movies for creative writing or other purposes.

If you can provide more information about the movie, I might be able to help you find the cast.