Marek Kalita is a Polish actor, director, and set designer. He graduated from the National Academy of Theatre Arts in Krakow in 1981. He gained early recognition for his role in the TV series M jak milosc (2000). He is best known for his role as Dr. Ostrowskiin the Na Wspólnej (2003). His acting career includes performances at Teatr Stefana Jaracza in Lodz, Teatr STU in Krakow, Stary Teatr in Krakow, Teatr Rozmaitosci in Warsaw, and Nowy Teatr in Warsaw. Additionally, Kalita has directed and designed sets for various theater productions.