Sandra Bullock's Dr. Ryan Stone can't let go in the second and final character poster for Gravity, following the George Clooney one-sheet that debuted yesterday. Directed by Alfonso Cuarón from a script he co-wrote with his brother Jonás Cuarón, this minimalist thriller shows what happens when two astronauts are literally lost in space, after their space station explodes.

<strong><em>Gravity</em></strong> Sandra Bullock Poster