They later turned ANDY into a super computer and Marcus learned Jack really wasn't all that smart. He thought like the old Jack would when trying to find a rampaging ANDY. When they got him back, Jack and Marcus fixed him. They then turned Jack back to his old self. Marcus agreed to be Jack and Allie's witness for their marriage. Marcus Blake is played by Dondre Whitfield, Salli Richardson-Whitfield's real-life husband. He appears solely in "Smarter Carter".