What actors and actresses appeared in Blago u duvaru - 1975?

You're likely referring to the film "The Wall" (1975) directed by Jean-Jacques Annaud, which is not translated as "Blago u duvaru".

The main actors and actresses in "The Wall" (1975) are:

* Jean-François Stévenin as Pascal

* Isabelle Adjani as Anne

* Jean Yanne as The Man in the Wall

* Patrick Dewaere as Philippe

The film is a psychological thriller, and it's highly recommended for fans of the genre.

If you're thinking of a different film, please provide more details.