'Wake Up Dead Man: A Knives Out Mystery' stars Josh O'Connor, Glenn Close, Kerry Washington and Josh Brolin, as well as filmmaker Rian Johnson, stopped by THR's TIFF suite at the 1 Hotel in Toronto to talk about the third film in the 'Knives Out' franchise. The stars opened up about the film's script and called the movie's ending "impossible" to guess. Plus, they shared their reactions to being asked to join the 'Knives Out' universe.