Hour of the Wolf is a 1968 Swedish psychological horror film directed by Ingmar Bergman and starring Max von Sydow and Liv Ullmann. The story explores the disappearance of fictional painter Johan Borg, who lived on an island with his wife Alma (Ullmann) while plagued with frightening visions and insomnia.

Ernst Ingmar Bergman was a Swedish film and theatre director and screenwriter. Widely considered one of the greatest and most influential film directors of all time, his films have been described as "profoundly personal meditations into the myriad struggles facing the psyche and the soul". Some of his most acclaimed works include The Seventh Seal (1957), Wild Strawberries (1957), Persona (1966) and Fanny and Alexander (1982), which were included in the 2012 edition of Sight & Sound's Greatest Films of All Time. He was also ranked No. 8 on the magazine's 2002 "Greatest Directors of All Time" list.