Alien Invasion: S.U.M.1 Trailer (2017)

Trailer for Alien Invasion: S.U.M.1, starring Iwan Rheon.

The Nonesuch -- eerie, overpowering alien creatures -- have forced humanity into hiding in a vast system of underground bunkers. Iwan Rheon, best known for the HBO series Game of Thrones, stars as a young soldier assigned to guard a lookout post on the surface to protect the few remaining stragglers.