Guest Stars Brett Cullen as Nathan Ingram Carrie Preston as Grace Hendricks Robert Manning, Jr. as Zachary David Aaron Baker as S.A. Martin LeRoux Ned Eisenberg as Detective Joseph Soriano Dikran Tulaine as Bela Durchenko Co Starring Mason Alban as AK-12 Lisa Tharps as IAB Agent Glenda Sumner Michael Blaustein as Club Kid Uncredited Amy Acker voices The Machine