Day the Earth Stood Still, The (2008)
Plot:
A renowned scientist finds herself face to face with an alien called Klaatu. She quickly discovers the deadly ramifications of Klaatu's claim that he is a friend to the Earth. Now she must find a way to convince the entity who was sent to destroy us that mankind is worth saving - but it may be too late.
Director:Scott Derrickson
Starring:Jennifer Connelly, Kathy Bates, Keanu Reeves, Jaden Christopher Smith, Jon Hamm