Four waves of increasingly deadly alien attacks have left most of Earth devastated, and most of the humans dead. Against a backdrop of fear and distrust, Cassie Sullivan is on the run, desperately trying to save her younger brother Sammy. As she prepares for the fifth wave, Cassie teams up with a young man named Evan, who may become her final hope – if she can only trust him.
Cassie Sullivan, an Ohio high-schooler armed with an M4 carbine, emerges from the woods seeing an abandoned gas station. She decides to raid the gas station for food. In their she hears another person. She goes to check and their is a wounded man there. She talks to the man, scared , and sees a glare to only find out what she thought the object was , wasn’t it at all.
- Chloë Grace Moretz as Cassie Sullivan
- Nick Robinson as Ben Parish
- Ron Livingston as Oliver Sullivan
- Maggie Siff as Lisa Sullivan
- Alex Roe as Evan Walker
- Maria Bello as Sergeant Reznik
- Maika Monroe as Ringer
- Liev Schreiber as Colonel Alexander Vosch
- Zackary Arthur as Sammy Sullivan
- Tony Revolori as Dumbo
- Talitha Bateman as Teacup