Alf Sommer was born on 22 April 1899 in Trondheim, Norway. He was an actor and writer, known for Godvakker-Maren (1940), Boer Boerson Jr. (1938) and Den glade enke i Trangvik (1927). He was married to Astrid Sommer. He died on 1 January 1963 in Norway.