|类型/形式：||Detective and mystery films
Thrillers (Motion pictures)
Video recordings for the hearing impaired
Jaume Collet-Serra; Joel Silver; Leonard Goldberg; Andrew Rona; Oliver Butcher; Stephen Cornwell; Liam Neeson; Diane Kruger; January Jones; Aidan Quinn; Frank Langella; Didier van Cauwelaert; Warner Bros. Pictures (1969- ); Dark Castle Entertainment (Firm); Panda Productions.; Warner Home Video (Firm)
|语言注释：||English, French and Spanish audio tracks; French and Spanish subtitles; English subtitles for the hearing impaired.|
|注意：||Based on the novel by Didier van Cauwelaert.
Originally released as a motion picture in 2011.
Special features: Unknown: what is known?-investigate the characters and plot; trailer.
|制作人员：||Director of photography, Flavio Labiano ; editor, Tim Alverson ; music, John Ottman and Alexander Rudd.|
|演员名单:||Liam Neeson, Diane Kruger, January Jones, Aidan Quinn, Frank Langella.|
|目标对象：||Rated PG-13 for some intense sequences of violence and action, and brief sexual content.|
|描述：||1 videodisc (113 min.) : sd., col. ; 4 3/4 in.|
|详述：||DVD, dual-layer, region 1, widescreen (2.40:1) presentation; Dolby Digital 5.1 surround.|
|责任：||Warner Bros. Pictures presents in association with Dark Castle Entertainment a Panda production ; produced by Joel Silver, Leonard Goldberg, Andrew Rona ; screenplay by Oliver Butcher and Stephen Cornwell ; directed by Jaume Collet-Serra.|
Dr. Martin Harris awakens after a car accident in Berlin to discover that his wife suddenly doesn't recognize him and another man has assumed his identity. Ignored by disbelieving authorities and hunted by mysterious assassins, he finds himself alone, tired, and on the run. Aided by an unlikely ally, Harris plunges into a deadly mystery, forcing him to question his sanity, his identity, and just how far he's willing to go to uncover the truth.