Harold Keegan is a Delta Force Operative and member of Dark Signal who works with Michael Becket in F.E.A.R. 2: Project Origin. Keegan is seen to at first have good relations with his teammates, but eventually turns on them due to Alma Wade's sanity-corroding influence. At the conclusion of F.E.A.R. 2, he is most likely deceased. His voice is provided by John Patrick Lowrie.