Knocking 2021 Genres: Swedish, Horror, Mystery, Thriller, Atmospheric, Cinematography, Direction, Mental Health, Performance, Psychological Depth, Social Commentary, Sound Design, Suspenseful Country: Sweden Director: Frida Kempff, Kerstin Von Bahr Duration: 1h 18m Year: 2021 Actors: Cecilia Milocco, Albin Grenholm, Ville Virtanen, Krister Kern, Alexander Salzberger, Charlotta Åkerblom, Tobias Almborg, Emil Almén, Bengt Braskered, Karin De Frumerie, Nilla Hansson, Karin Holmberg, Bill Hugg, Christina Indrenius-Zalewski, Anders Johannisson, Kristofer Kamiyasu, Meliz Karlge, Maria Norgren Storyline: A Woman Leaves A Psychiatric Ward After A Nervous Breakdown, Only To Start Hearing Mysterious Knocking Sounds In Her Apartment. Release: Sveriges Television (SVT)