Roland af Hällström
Gustaf Gabriel Roland af Hällström was a Finnish film director. During his career, he directed 20 films, including Pikajuna pohjoiseen, Läpi usvan, Tukkijoella, Noita palaa elämään, Putkinotko and Ryysyrannan Jooseppi.
Hällström was married to actress Elvi Saarnio. As a screenwriter, he used a pseudonym Viljo Hela.
