UNKNOWN

Directed by	Jaume Collet-Serra
Produced by	Joel Silver Leonard Goldberg Andrew Rona
Screenplay by	Oliver Butcher Stephen Cornwell
Based on	Out of My Head by Didier Van Cauwelaert
Starring	Liam Neeson Diane Kruger January Jones Aidan Quinn Frank Langella
Music by	John Ottman Alexander Rudd
Cinematography	Flavio Labiano
Editing by	Timothy Alverson
Studio	Dark Castle Entertainment Studio Babelsberg
Distributed by	Warner Bros. Pictures
Release date(s)	February 18, 2011
Running time	113 minutes
Country	United States
Language	English
Budget	$30-40 million
Box office	$136,123,083

SYNOPSIS :

Dr. Martin Harris (Liam Neeson) and his wife Liz (January Jones) arrive in Berlin for a biotechnology summit. When they arriving at their hotel, Martin realizes he put his briefcase at the airport and he didn't bring it. He takes a taxicab driven by Gina (Diane Kruger), but on the way to the airport, the cab crashes off a bridge into the river after narrowly avoiding a refrigerator that falls off a delivery truck in front of them. Martin is knocked unconscious upon impact, but Gina saves him from drowning before fleeing from the scene. On Thanksgiving day, he comes to at the hospital after being in a coma for four days.