The 33rd Cannes Film Festival was held between 9 and 23 May 1980. The Palme d'Or went to the All That Jazz by Bob Fosse and Kagemusha by Akira Kurosawa.

Kagemusha is a 1980 epic jidaigeki film directed by Akira Kurosawa. It is set in the Sengoku period of Japanese history and tells the story of a lower-class criminal who is taught to impersonate the dying daimyō Takeda Shingen to dissuade opposing lords from attacking the newly vulnerable clan. Kagemusha is the Japanese term for a political decoy, literally meaning "shadow warrior". The film ends with the climactic 1575 Battle of Nagashino.