“Complete Unknown” (*1/2 out of four) was a complete waste of time about a man (Michael Shannon) who meets a girl at a dinner party (Rachel Weisz) who he is sure he knew before and it turns out this is true and that she changed her name and identity years ago and the two share an endless all-night odyssey discussing their past, their future, and the importance of change. Good actors Shannon and Weisz should have probably discussed the importance of picking a better script together. Potentially interesting story is rambling, hazy, and (after a while) bizarre and boring. Similar story was covered much more powerfully in “The Age Of Adeline”.