warner bros. Pictures has revealed a clip from Unknown , the Jaume Collet-Serra-directed thriller starring Liam Neeson, Diane Kruger, January Jones, Aidan Quinn, Bruno Ganz and Frank Langella.In the film, opening February 18, Dr. Martin Harris (Neeson) awakens after a Car accident in Berlin to discover that his wife (Jones) suddenly doesn't recognize him and another man (Quinn) has assumed his identity. Ignored by disbelieving authorities ...