The cat shot with Karo (played by Aram Karakhanyan) wasn't intentional. Kitten just decided to climb up on him and Karakhanyan stayed cool during the shot.
Gaspar's Granny is voiced by film's director Serj Gabyan himself.
Saten Ghazaryan's character Muraz's fight scene with police officers was not choreographed. The actors really beat each other up, it was Saten's idea.