Yeardley Smith, the voice actor of the popular cartoon character Lisa Simpson is set to appear in season four of the TV series Revenge. The actor will be moving from behind the camera to the front of it for the ABC drama. Smith will play the role of Phyllis who is a patient at the mental institute, where Victoria Grayson resides. David Clarke made his return to the show in the last episode of season three. James Tupper who plays Clarke will be part of the main cast appearing regularly in episodes. Season four of Revenge will premiere on ABC on Sunday, September 28, 2014.