It centers on the story of a post-pandemic (not Covid) world where the government has released a vaccine with unexpected side effects.
| Actor | Role |
|---|---|
 Keegan Connor TracyMindy Atwood | Mindy Atwood |
 Stephen R. HartMute Jimmy | Mute Jimmy |
 Jeffrey JosephColonel Dawson | Colonel Dawson |
| EEvie MarstenZoe Atwood | Zoe Atwood |
 Jack CampbellJames Atwood | James Atwood |
 Caitlynne MedrekRylee Burgess | Rylee Burgess |
| GGary LaytonDon Burgess | Don Burgess |
 Duff ZayonceJunior | Junior |
 Faith LouissaintPrivate Lucas | Private Lucas |
 CJ CollardPrivate Quinn | Private Quinn |
 Dawn NagazinaMajor McClune | Major McClune |
| RRobbin HarrisPrivate Ross | Private Ross |
| AAlex GallantPrivate Hawk | Private Hawk |
 Susan SerraoSergeant Dunst | Sergeant Dunst |
| EElainna NoblePrivate Morgan | Private Morgan |
| TTerrence Van CampPrivate Stanley | Private Stanley |
| NNiki MiddletonPrivate Langdon | Private Langdon |
| TTobit Luyeye-LembaPrivate Austin | Private Austin |
| RRay LuuPrivate Lee | Private Lee |
| TTyler DuffySergeant Pitt | Sergeant Pitt |
 Nick BohleSteve | Steve |
| AArmanat SinghOfficer Vijesh | Officer Vijesh |
| ZZula BaatarHazmat Nurse | Hazmat Nurse |
| RRobyn OrdHazmat Nurse | Hazmat Nurse |
| LLaurie WispinskiDon's Mom | Don's Mom |