His debut feature film, "Son of Saul," premiered at the 68th Cannes Film Festival as part of the main competition. It won the Grand Prix, the second-most prestigious prize of the festival. Nemes accepted the 2015 Golden Globe for Best Foreign Language Film for "Son of Saul" at the telecast on 10 January 2016. It is the third Hungarian film nominated for a Golden Globe and the first Hungarian film to win.