Megan Lee Ethridge as Jean

Griff Furst as Todd

Marissa Morse as Britney

Patrick Thomassie as Bud

Jilon VanOver as Thomas

Bobby James as Dr. Booker

Claudia Katz Minnick as Major Shakti

Edwin Craig as The Director

Angela Landis as Nurse White

Deirdre Schwiesow as Nurse Green

Alisha Seaton as Nurse Schwartz

Amanda Weier as Captain Helens

Robert Lucchesi as Lieutenant Biggs

Scott F. Evans as Staffer Maurice

Butch Leonard as Staffer Franks

Lola Forsberg as Bonnie

Charles Schneider as Science Officer Arks

Michael Flowers Jr. as Storage Room Attendant

Jason Deppen as Military Secretary Jones

Ulf Bjorlin as Private Stern

Jared Cohn as Private Smalls / Patient

Justin Ferrari as Private Polk

Justin Sloan as Private Strict

Matt Mitchell as Private Chenney

Eric Forsberg as Dr. Burr

Lawrence Sara as Prison Guard Jim

Mercel Meyers as Security Guard Bob

Jacques Freydont as Patient Levy

Nicole Rayburn as Lilith

Heather Detwiler as Heart / Alien

Mark Elias as Rescue Worker

Elizabeth Fox as Dying Patient

Lisa Clark as Nurse / Alien

Wallace Frist as Soldier / Patient

Alicia Haverland as Soldier / Alien

Saravoot Kaitkalang as Soldier / Patient

Bianca Bahena as Patient

Micol Bartolucci as Patient

Jake Fowler as Patient

Nadja Frist as Patient

Dana Gibson as Patient

Long Tim Ha as Patient

Natalie Hsieh Cencula as Patient / Alien

Brian Rodriguez as Patient

Jack Rowles as Patient

Katarzyna Skorynkiewicz as Patient

Amanda Ward as Patient