A group of scientists trapped in a safe room have a limited time to discover if they've been infected by a deadly virus and whether they can escape or face the exposure protocols that have been activated.
| Actor | Role |
|---|---|
 Rebecca BlumhagenHarding | Harding |
 Corin NemecSimmons | Simmons |
 Nick StevensonCooper | Cooper |
| WWilliam D. ColemanCarter | Carter |
| JJohn Michael SchollScientist | Scientist |