Adrienne Barbeau
Virtual Narrator (voice)
Cody Longo
Agent Jae Novak
Cortney Palm
Agent Toria Boon
Barbara Crampton
Dr. Karen Redmane
Camille Keaton
Kristi Boon
R.A. Mihailoff
Prison Badass Leader
Bill Oberst Jr.
Satan Creator
Felissa Rose
Dr. Angela Freeman
Dee Wallace
Dr. Eileen Fletcher
Tiffany Shepis
Doctor Peter
Brinke Stevens
Doctor Banks
Beverly Randolph
Doctor Tarman
Elissa Dowling
Doctor Rowena
Larry Zerner
Shelly the Prop Man
Gunnar Hansen
Albert Kenny
Tony Moran
Death House Inmate
Gabrielle Stone
Linz Haddon
Sarah French
Icicle Killer's Victim (uncredited)
Bernhard Forcher
Antichrist
Michael Guarnera
Commander Bradshaw
Steven Chase
Corporal Salerno
Anthony Hoang
Subordinate Soldier
Greg Pronko
Rioting Prisoner
Lauren Compton
Dr. Logan Harrison
Dmitri Schuyler-Linch
Bennett's Cast (uncredited)
Danny Trejo
Inmate (uncredited)