When zombies overrun San Francisco, a desperate group survives by locking themselves inside Alcatraz Prison. When the undead breach the island, our heroes are forced to return to the mainland overrun with the undead.
| Actor | Role |
|---|---|
 Mariel HemingwayDr. Lynn Snyder | Dr. Lynn Snyder |
 LeVar BurtonDr. Dan Halpern | Dr. Dan Halpern |
 Ethan SupleeMarshall | Marshall |
 Chad LindbergKyle | Kyle |
 Heather HemmensAshley | Ashley |
 Danny TrejoCaspian | Caspian |
 Madonna Young MageeVivian | Vivian |
 Hector Luis BustamanteRamon | Ramon |
 French StewartDr. Arnold | Dr. Arnold |
| PPeter NgoJud Nagase | Jud Nagase |
 Lilan BowdenJun Nagase | Jun Nagase |
 Kerisse HutchinsonJulie | Julie |
 Jon KondelikJason | Jason |
 Angelique CineluLetty | Letty |
 Tia RobinsonSarah | Sarah |
 Kim LittlePauline | Pauline |
| JJohn A. LorenzKenny | Kenny |
 Kieran GallagherBrian | Brian |
 Troy HattBugsy | Bugsy |
| AAndy ClemenceBob | Bob |
 Keith AllenTash | Tash |
| LLorenzo EduardoPark Ranger Sanchez | Park Ranger Sanchez |
 Carole MaldonadoSurvivor | Survivor |
 Mercy MalickUndead Housewife | Undead Housewife |
| AAleh NeliubinHero Zombie | Hero Zombie |
| FFrank ForbesHero Zombie | Hero Zombie |
| WWilliam SturtevantHero Zombie | Hero Zombie |
| DDale PulliamFeature Zombie | Feature Zombie |
| CCharles Peeke Jr.Water Zombie | Water Zombie |
 Isabelle DuZombie | Zombie |