The unsettling feelings that often accompany nightmares are at the forefront in Hour of the Wolf (Vargtimmen). Ingmar Bergman wrote and directed this film, which features Max Von Sydow, Liv Ullmann, Gertrud Fridh, Georg Rydeberg, and Ingrid Thulin. Lars Johan Werle composed the music, and Sven Nyquist was responsible for the cinematography. The story centers on an artist who experiences a psychological crisis whil…