This new character poster of The Host features Actor Jake Abel as Ian O’Shea:

The Host Trailer

(Click on the poster to enlarge.)

Plot:
“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.”

Ian O’Shea is one of the rebel humans.
:)