
Koki Mitani
Biography
Kōki Mitani (三谷 幸喜, Mitani Kōki; born July 8, 1961) is a Japanese playwright, screenwriter, actor and film director. He studied dramatics at Nihon University. He has been described by The Japan Times as "far and away the nation's best-known dramatist". In 2023, Mitani was the recipient of the 15th annual Juzo Itami Award.
Known For & Full Filmography10 Titles

Drama Series - 2023, 16 episodes • as Mitani
Two inseparable friends move to Kyoto to chase their dreams of becoming maiko, but decide to pursue different passions while living under the same roof.

Drama Series - 2009, 16 episodes • as O'Reilly (voice)
An outstanding performance featuring brilliant storytelling, high stakes drama, and unforgettable character arcs.

Movie - 2006, 2h 15m • as Nasu Hoteru Shujin
Inugami Sahei, who built up the wealth of the Inugami Clan, passes away, leaving a will with Furudate, his legal adviser, for his daughters Matsuko, Takeko and Umeko, all of whom have different mothers, and for their sons, as well as for Nonomiya Tamayo, the granddaughter of a person to whom Sahei feels heavily indebted. The will states that all his assets are inherited by Tamayo alone, on the condition that she marries one of the sons of the daughters. Furudate's assistant learns the content of the will, and seeks advice from Kindaichi Kosuke, a private detective, as he senses the air of unease. Shortly afterwards, murders start to occur one after another in the clan.

Movie - 2021, 2h 15m • as Moriguchi
Atsuko and Akira are a husband and wife duo with a daughter and a son. Atsuko is in charge of the retirement finances. She saves from money given to her by her husband and also earns money herself by working part-time. She stretches every yen by leading a frugal life. yet, expenses come up. These include their daughter's upcoming wedding and the funeral expenses of the husband's father. Then, and at exactly the worst time, the couple finds itself unemployed.

Movie - 2024, 2h 15m • as Taxi driver
Aiko Satō, who has won many literary awards, retired from her life as a writer and had no guests. She spent a gloomy time, but then a middle-aged editor named Tachibana came with a commission for a story. The story begins with a series of essays that are initially unpleasant, writing out her anger towards society. Aiko's life will undergo significant changes by the time she is 90 years old.

Movie - 1999, 2h 15m • as Man Watching TV
While on a cigarette break in between sets, Koji, a jazz musician, witnesses a murder and runs into a girl, Linda, who is being pursued by the killers. Mistakenly identified as prime suspects, they have to solve the crime but time is running out: Koji has to be back to perform in his club by midnight, as a very special guest will be attending.

Movie - 2011, 2h 15m • as The Film Director
A comedy about a concierge at a plush hotel who deals with a series of unusual guests.

Movie - 2021, 2h 15m • Main Cast Role
An outstanding performance featuring brilliant storytelling, high stakes drama, and unforgettable character arcs.

Movie - 2010, 2h 15m • Main Cast Role
An outstanding performance featuring brilliant storytelling, high stakes drama, and unforgettable character arcs.
