Stieg Trenter was born on April 14, 1914 in Brännkyrka, Södermanland, Sweden as Stig Johansson. He is known for his work on A Guest Is Coming (1947), Som man ropar (1988) and Idag röd (1987). He was married to Ulla Trenter and Gunnel Pehrsson. He died on July 5, 1967 in Hamnö, Östergötland, Sweden.