Maria Sten has joined the cast of the DC Universe's 'Swamp Thing' series, reportedly playing the role of Liz Tremayne. However, there are conflicting reports about other cast members, with some outlets mentioning Virginia Madsen and original 'Swamp Thing' star Adrienne Barbeau, but it is unclear what roles they may play. The series' full cast and character lineup has not been consistently reported across outlets.