The Old Guard. Genre: Action, Fantasy. Director: Gina Prince-Bythewood. Cast: Charlize Theron, KiKi Layne, Veronica Ngo, Matthias Schoenaerts, Marwan Kenzari. Release Date: 2020-07-09. Runtime: 125 minutes. Rating: 7.104/10. Four undying warriors who've secretly protected humanity for centuries become targeted for their mysterious powers just as they discover a new immortal.