Tatsuya Nakadai (仲代 達矢, Nakadai Tatsuya; born Motohisa Nakadai; December 13, 1932 – November 8, 2025) was a Japanese actor. Widely regarded as one of the greatest actors in the history of Japanese cinema, he collaborated extensively with many of Japan's best-known and acclaimed directors. In his over seven decade career, he appeared in more than 160 films, and received numerous accolades. He was honored with a Medal with Purple Ribbon in 1996 and Japan's Order of Culture in 2015.