Unknown is a 2011 British-German-French psychological thriller action film directed by Jaume Collet-Serra, starring Liam Neeson, Diane Kruger, January Jones, Aidan Quinn, Bruno Ganz, and Frank Langella. The film is based on the 2003 French novel published in English as Out of My Head, by Didier Van Cauwelaert. Wikipedia
Rodney Cole: There is no Martin Harris. He doesn't exist.