Question: who plays the girl in the fifth wave
Answer: Chloë Grace Moretz as Cassie Sullivan Nick Robinson as Ben Thomas 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 Zackary Arthur as Sam Sullivan Liev Schreiber as Colonel Alexander Vosch Tony Revolori as `` Dumbo '' Talitha Bateman as `` Teacup '' Nadji Jeter as `` Poundcake '' Alex MacNicoll as `` Flintstone ''