Guest Stars Perrey Reeves as Kristen Kilar Justina Vail as The Unholy Spirit Guyle Fraizer as Officer Frank Military as The Son / John Co Starring Tom McBeath as Detective Gwynn Malcolm Stewart as Commander Carver Ken Kramer as Dr. Browning David Livingstone as Guard Brad Loree as Fireman Frank Ferrucci as Detective Nettles John Tierney as Dr. Jacobs Roger Allford as Garrett Lorre Gustavo Moreno as Father Richard Yee as David Yung