After an earthquake leaves Danny trapped and alone, his claustrophobic nightmare only gets worse when something truly horrifying emerges from the fissures in the ground, forcing him to engage in a brutal fight for his life and his sanity.
| Actor | Role |
|---|---|
 Joseph AlmaniDanny | Danny |
 Karlee EldridgeGwen | Gwen |
 Michael ParéBill Mortiz | Bill Mortiz |
| NNatalia BilbaoAngela | Angela |
 Brian DeRozanOfficer Pfeifer | Officer Pfeifer |
| CChristopher M. DukesOfficer Holder | Officer Holder |
 Alec GaylordER Doctor | ER Doctor |
| GGar-Ye LeeDr. Wu | Dr. Wu |
| MMatthew PayneDr. Silao | Dr. Silao |
 Elena SahagunLaura | Laura |