Sibling astronomers join forces with the military when hostile aliens attack Earth.
| Actor | Role |
|---|---|
 Anthony JensenHenry | Henry |
 Tom SizemoreGeneral Reed | General Reed |
 Emily KillianAllison | Allison |
 Michael DevorzonMark | Mark |
 Emma NasfellJunie | Junie |
| DDeAngelo DavisLieutenant Harris | Lieutenant Harris |
 Paulina NguyenAlina | Alina |
 Torrey RichardsonRebecca | Rebecca |
 Ramiro LealNot listed | Not listed |
 Craig GellisChris | Chris |
 Jack PearsonCaptian Oglivy | Captian Oglivy |
 Tammy KleinMission Control Operator | Mission Control Operator |
 Michelle Ng MiniRobin Tyler | Robin Tyler |
| Ramiro LealSergeant Holleran | Sergeant Holleran |
| SSam AaronTom | Tom |
| DDan McCannJason | Jason |
 Derek OcampoSoldier | Soldier |
| BBenjamin SanchezSoldier | Soldier |
| BBri CalliandraSoldier | Soldier |