Sofia Karstens is a Canadian-born television and film actress that is known for her work in Lovelace, The Greatest Script Ever Written and Bad Blood... The Hunger.
On July 16, 2011, Karstens married actor Jason London. They had met through London's brother, Jeremy London, who attended the ceremony at the Karstens family home in North Hero, Vermont. After the marriage ceremony Karstens and London resettled in Los Angeles to resume their acting. The ring that London proposed with had been Karstens' grandmother's ring. They have been separated since February 2014.