Guest Stars Brooke Nevin as Kat Nick D'Agosto as Gavin Tom Pickett as Lt. Danny Gunderson Co Starring James Purcell as Dr. James Ellicott Peter Benson as Lt. Walter Kelly Roy Campsall as Patient / Spirit Norman Armour as Dr. Sanford Ellicott Karly Warkentin as Kelly's Wife Nicole LaPlaca as Patient / Spirit Richard Dietl as Patient / Spirit Leif Bridgman as Patient / Spirit Nancy Bell as Female Patient / Spirit Johnston Gray as Patient / Spirit