Gus Dahlström was born on 6 November 1906 in Järvsö, Gävleborgs län, Sweden. He was an actor and writer, known for Fanny ve Alexander (1982), Alla tiders 91:an Karlsson (1953) and 91:an Karlsson (1946). He died on 25 December 1989 in Haninge, Stockholms län, Sweden.