The Longest Tunnel (1982)
Original title: 海峡
The Longest Tunnel is a 1982 Japanese-language drama movie directed by Shirō Moritani, with a running time of 2h 22m. It stars Ken Takakura, Sayuri Yoshinaga and Tomokazu Miura.
After a passenger ship sinks in 1954, Go Akutsu devises a life-saving project in the form of a tunnel under the Tsugaru Strait. While working on this project Akutsu becomes involved with Tae Makimura leading to his estrangement from his wife.