Dan Stevens as David Collins in the new poster of 'The Guest'

The Guest is an American psychological thriller film, directed and edited by Adam Wingard, and written by Simon Barrett. 
The film stars Dan Stevens, Maika Monroe, Brendan Meyer and Lance Reddick. 
The film premiered at the Sundance Film Festival on January 17, 2014 and is set for a theaterical release on Sep 05, 2014. 

Here is the new poster of the director Adam Wingard's new thriller 'The Guest' featurring Dan Stevens:

Be Careful Who You Let In.

Plot:

"A soldier introduces himself to the Peterson family, claiming to be a friend of their son who died in action. After the young man is welcomed into their home, a series of accidental deaths seem to be connected to his presence."

 Watch the new official trailer of the upcoming Psychological-thriller flick 'The Guest' starring Dan Stevens. The movie will be released in the UK in September: