Sonny Benneweis was born on December 29, 1933 in Hillerød, Denmark. He was an actor, known for Vi er allesammen tossede (1959), Far til fire i højt humør (1971) and Barnförbjudet (1979). He was married to Nelly Jane and Lis Tolver Jensen. He died on July 8, 1979 in Denmark.