Mark Valley, 48, is an American film and television actor, known for his role as Brad Chase on the TV drama Boston Legal, Oliver Richard on the NBC drama Harry's Law, as FBI agent John Scott on Fringe, and Christopher Chance in Fox's action/drama Human Target. He later took over the role of Jack Deveraux on the NBC Daytime soap opera Days of our Lives from 1994–97. Valley will be joining as series regular on ABC's Body of Proof. He will play Det. Tommy Sullivan, Dana Delany's love interest.
