Tia Robinson as Sarah

Mariel Hemingway as Dr. Lynn Snyder

Ethan Suplee as Marshall

Chad Lindberg as Kyle

LeVar Burton as Dr. Dan Halpern

Heather Hemmens as Ashley

Danny Trejo as Caspian

French Stewart as Scientist

Hector Luis Bustamante as Ramon

Madonna Magee as Vivian

Angelique Cinelu as Letty

Andy Clemence as Bob

Kerisse Hutchinson as Julie

Jon Kondelik as Jason

John A. Lorenz as Kenny

Lilan Bowden as Jun Nagase

Peter Ngo as Jud Nagase

Kieran Gallagher as Brian

Christina Ford as Ashley Double

Troy Hatt as Bugsy

Lorenzo Eduardo as Park Ranger Sanchez

Frank Forbes as Hero Zombie

William Sturtevant as Hero Zombie

Aleh Neliubin as Hero Zombie

Dale Pulliam as Feature Zombie

Mercy Malick as Undead Housewife

Charles Peeke Jr. as Water Zombie

Isabelle Du as Zombie

Hayden Forbes as Zombie

Nelly Imame as Zombie

Michelle Danese as Zombie

Amanda Chism as Zombie

Tricia Matz as Zombie

Carryl Lynn as Zombie

Russell Becker as Zombie

Zedrick Restauro as Zombie

Andy Skauge as Zombie

Vera R. Taylor as Zombie

Matt Zimmer as Zombie

Graham Mackie as Zombie

Carole Maldonado as Survivor

Lineysha Sparx as Zombie

Jose Luis Cordoba as Zombie

Shana Cuneo as Zombie