The Host
A parasitic alien soul is injected into the body of Melanie Stryder. Instead of carrying out her race's mission of taking over the Earth, "Wanda" (as she comes to be called) forms a bond with her host and sets out to aid other free humans.
The cast behind this title
Titles you might also enjoy
About
The Host (2013) is a action, adventure, sci-fi movie running 2h 6m. Starring Saoirse Ronan, Diane Kruger, Max Irons. Rated 6.3/10 on TMDB. Watch it online free on ZapFlix.