| Name | Character | Episodes |
|---|---|---|
| Luca Thunberg | Caleb | 3 |
| Josh Cruddas | Trooper Marks | 2 |
| Alfre Woodard | Bradford | 1 |
| Haley Bennett | Sidney | 1 |
| Jason Clarke | Frank Remnick | 1 |
| Dominic Cooper | Havlock | 1 |
| Tait Blum | Luke | 1 |
| Simone Kessell | Sarah | 1 |
| Dallas Goldtooth | Hutch | 1 |
| David Robitaille | Student | 1 |
| Kreg Weiss | JPATS Co-Pilot | 1 |