Saw an excellent video called "Unknown" . I don't recall this movie ever being in theatres . Starring Jim Caviezel , Barry Pepper , Joe Pantoliano , Greg Kinnear . Psychological thriller . 5 strangers wake up in a locked warehouse w/ no memory of who they are or how they got there . They must race against time to figure out who is good and who is evil in order to stay alive . Trust no one fear everyone .