​From Wikipedia, the free encyclopedia.   Tracy Dawn Scoggins (born November 13, 1953) is an American actress known for her roles as Cat Grant in the television series Lois & Clark: The New Adventures of Superman and Monica Colby in the 1980s prime time soap opera Dynasty, and its spin-off series The Colbys. In the Babylon 5 TV series she portrays Captain Elizabeth Lochley, the station's competent, troubled commander during the final season.