Ryan Christian Kwanten (born 28 November 1976) is an Australian actor and producer. He played Vinnie Patterson from 1997 to 2002 in the Australian soap opera Home and Away. After his stint ended, he joined the American teen drama series Summerland, portraying Jay Robertson. From 2008 to 2014, he played Jason Stackhouse in True Blood. From 2018 to 2019 he produced and starred in the crime drama series The Oath as Steve Hammond. In 2021, he starred in season one of the horror drama anthology series Them as George Bell. In 2022, he portrayed Thomas Weylin in Kindred, a series adaptation based on Octavia E. Butler's celebrated 1979 novel of the same name.