Summer Glau is joining Dollhouse this season as Bennett, a Dollhouse employee who shares a past with Eliza Dushku’s Echo, Fox has confirmed. As reported by EW’s own Michael Ausiello, the Terminator: The Sarah Connor Chronicles actress will appear alongside Battlestar Galactica‘s Jamie Bamber — as well as Angel‘s Alexis Denisof and BG‘s Michael Hogan — in a never-ending parade of sci-fi faves on the Joss Whedon creation.