Grant TestPlayed by Christopher Evan Welch

Grant Test

An analyst on Will's team, Grant is impressed with his own intelligence and tries to prove that he should have been promoted over Will. He can't imagine failure, or not getting what he wants, and Will's promotion sends him into a tailspin of anger, jealousy and self-doubt. Always an outsider since his days at Princeton, Grant is unhappily married with two children, though he tries valiantly to make the relationship work.