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.
Saoirse Ronan
as Melanie Stryder / Wanda
Diane Kruger
as The Seeker / Lacey
Max Irons
as Jared Howe
Jake Abel
as Ian O'Shea
William Hurt
as Jeb Stryder
Frances Fisher
as Maggie Stryder
Chandler Canterbury
as Jamie Stryder
Boyd Holbrook
as Kyle O'Shea
Stephen Rider
as Seeker Reed
Alex Russell
as Seeker Burns
Rachel Roberts
as Soul Fleur
J.D. Evermore
as Trevor Stryder