As Chloe Grace Moretz' dadShooting has been underway for about a month on alien invasion saga The Fifth Wave, which finds Chloe Grace Moretz trying to survive in the face of devastating extra terrestrial attacks. Ron Livingston is the latest cast member to sign on to the young adult adaptation.Moretz is starring as Cassie Sullivan, a young woman who survives the four waves of deadly extra-terrestrial attacks against the Earth’s population that have left our planet a darkened, doomed place where its new conquerors roam in near-human form, picking off survivors.Cassie, who is hoping to rescue her younger brother, prefers to travel alone, figuring she’ll be safer that way.