Guest Stars Peter Scolari as Bishop Thomas Marx Kristen Connolly as Detective Mira Byrd Li Jun Li as Grace Ling Nora Murphy as Rose390 Michael Mulheren as Father Gary Douglas Paton Ashbrook as Nurse Karen Piper Tara Summers as Nurse Linda Bloch Megan Ketch as Judy James Marcus Callender as Harlan Zephyrs Michael Charles Roman as Chris Simmons Co Starring Lisa Birnbaum as Ghoul Nurse Mark Bedard as Dr. William Hughes Antonio Michael Woodard as Patient Kevin "ohGr" Ogilvie as Ghoul Orderly #2 Anna Tullis as Ghoul Doctor Roxanne Schiebergen as Lydia Carly Gold as Heather (Ben as Young Girl)