Under the Open Sky is a 2020 Japanese drama film directed and written by Miwa Nishikawa. It stars Koji Yakusho as a former yakuza who has been released from prison after serving 13 years for murder. The film premiered at the 2020 Toronto International Film Festival.

Kōji Hashimoto , known professionally as Kōji Yakusho , is a Japanese actor. He is known internationally for his starring roles in Shall We Dance? (1996), 13 Assassins (2010), The Third Murder (2017), The Blood of Wolves (2018), Under the Open Sky (2020) and The Days (2023). For his performance in Perfect Days (2023), he was awarded the Best Actor award in the 76th Cannes Film Festival.