A catastrophic train derailment sends the city spiraling into chaos. But the derailment is just the beginning. A biological gas attack sees crash survivors collapsing and dying within minutes. And the sickness is rapidly spreading.
| Actor | Role |
|---|---|
 Paul Michael AyreOwen Stokes | Owen Stokes |
 Melissa BrattoniNews Reporter | News Reporter |
 Zoe CaridesPamela Laird | Pamela Laird |
 Raelee HillBree Parker | Bree Parker |
 Nicholas HopeLangston Charlesworth | Langston Charlesworth |
 Jessica FallicoHarriet | Harriet |
| AAnna HoustonElizabeth Haines | Elizabeth Haines |
 Ash RicardoLeyla Nassar | Leyla Nassar |
| AAndy RodoredaJack Winston | Jack Winston |
 Harry PavlidisYusuf Nassar | Yusuf Nassar |
| AAlan LovellCommander Wallace | Commander Wallace |
| NNick MaricicPax | Pax |