Ernst Rolf was born on January 20, 1891 in Falun, Dalarnas län, Sweden as Ernst Rolf Ragnar Johanson. He was an actor, known for Åh, i morron kväll (1919), Styrman Karlssons flammor (1925) and Jazzgossen (1958). He was married to Tutta Rolf. He died on December 31, 1932 in Stockholm, Sweden.