Unknown (2011)

Director: 

Jaume Collet-Serra

Writers: 

Oliver Butcher (screenplay), Stephen Cornwell(screenplay)

Stars:

 Liam Neeson, Diane Kruger and January Jones

Genre:  Drama | Mystery | Thriller

Plot:

A man awakens from a coma, only to discover that someone has taken on his identity and that no one, (not even his wife), believes him. With the help of a young woman, he sets out to prove who he is.