In 1979 he starred in the film Godzina "W" and gained great notoriety by playing the role of a shooter named "Eagle" (pol. Orzeł). In 1981, he graduated from the Acting Department of the Aleksander Zelwerowicz National Academy of Dramatic Art in Warsaw. In the same year he became an actor in the Ateneum Theatre in Warsaw. He also became well known for playing Jędrula Kossoń, Alutka's husband, in Rodzina zastępcza. Dedek currently stars on screen in films and TV series.