Gustaf Gabriel Roland af Hällström (23 August 1905 – 21 February 1956) was a Finnish film director.
During his career, he directed 20 films, including Pikajuna pohjoiseen (1947), Läpi usvan (1948), Tukkijoella (1951), Noita palaa elämään (1952), Putkinotko (1954) and Ryysyrannan Jooseppi (1955).
[1] Hällström was married to actress Elvi Saarnio.
As a screenwriter, he used a pseudonym Viljo Hela.
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