Dallas Roberts
Dallas Mark Roberts (born May 10, 1970) is an American stage and screen actor. He is most recently known for playing Milton Mamet in season three of AMC's post-apocalyptic horror television series, The Walking Dead (2012–2013). He is also a regular on Seasons 2 and 3 of Unforgettable, where he plays Eliot Delson, and a recurring character on The Good Wife since Season 2, where he plays Owen Cavanaugh.