Dallas Mark Roberts (born May 10, 1970) is an American stage and screen actor. Roberts was born in Houston, Texas. He is a graduate of Juilliard School. He is primarily based in New York City, where he regularly appears in theatrical productions. Off-Broadway he has appeared in a revival of Lanford Wilson's Burn This, opposite Edward Norton and Catherine Keener; in Adam Rapp's Nocturne, for which he was nominated for a Drama Desk Award; and in Caryl Churchill's A Number, opposite Sam Shepard and later Arliss Howard, among others. He was slated to make his Broadway debut as Tom Wingfield in a revival of Tennessee Williams' The Glass Menagerie opposite Jessica Lange and Josh Lucas, but was replaced by Christian Slater during rehearsals Roberts' film work includes the screen adaptation of Michael Cunningham's A Home at the End of the World, opposite Colin Farrell and Robin Wright Penn, and supporting roles in Walk the Line and The Notorious Bettie Page, among others. He also had a recurring role on the Showtime drama The L Word. He starred in the AMC original series Rubicon where he plays Miles Fiedler, a genius intelligence analyst at a national think tank. He has guest starred in three episodes of the CBS series The Good Wife as the brother of the character Alicia Florrick, played by Julianna Margulies. Roberts is married to scenic designer Christine Jones. They have two sons.

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