As an actress Kasia Smutniak made her debut in the film, Giorgio Maraniello Al momento giusto, and then took part in the filming of the West Radio , where she met her future husband.
Finally, in 2017, Kasia Smutniak became popular not only in Italy but also around the world after she played the role of Eva in the film Perfetti sconosciuti.
In addition to her native Polish, Kasia Smutniak fluent in Russian, English, and Italian.