Set on an Earth currently in the midst of a fifth wave of alien invasions, Moretz plays a sixteen-year-old girl named Cassie on the run trying to save her younger brother.
Robinson plays Zombie, a boy on which Cassie has a crush but who is now a ruthless paramilitary killer of aliens. Roe will play Evan, a boy who may have the key to the aliens' weakness.
J Blakeson ("The Disappearance of Alice Creed") helms from a script by Susannah Grant. Filming aims to begin at the end of September
Source: Heat Vision