Actor Ken Watanabe poses during a photocall for the television series "An Artist of the Floating World" during the annual MIPCOM television programme market in Cannes, France, October 14, 2019. REUTERS/Eric Gaillard 

Actor Ken Watanabe poses during a photocall for the television series "An Artist of the Floating World" during the annual MIPCOM television programme market in Cannes, France, October 14, 2019. REUTERS/Eric Gaillard 

Actor Ken Watanabe poses during a photocall for the television series "An Artist of the Floating World" during the annual MIPCOM television programme market in Cannes, France, October 14, 2019. REUTERS/Eric Gaillard 

Actor Ken Watanabe poses during a photocall for the television series "An Artist of the Floating World" during the annual MIPCOM television programme market in Cannes, France, October 14, 2019. REUTERS/Eric Gaillard 

Actor Ken Watanabe poses during a photocall for the television series "An Artist of the Floating World" during the annual MIPCOM television programme market in Cannes, France, October 14, 2019. REUTERS/Eric Gaillard 

Actor Ken Watanabe poses during a photocall for the television series "An Artist of the Floating World" during the annual MIPCOM television programme market in Cannes, France, October 14, 2019. REUTERS/Eric Gaillard 

Cast member Ken Watanabe poses at a premiere for "Godzilla: King of the Monsters" in Los Angeles, California, U.S., May 18, 2019. REUTERS/Mario Anzuoni 

Japanese actor Ken Watanabe takes part in a photocall to promote the feature film 'Ikari' (Rage) at the San Sebastian Film Festival, in San Sebastian, northern Spain September 23, 2016. The film is part of the festival's Official Selection. REUTERS/Vincent West

Japanese director Sang-il Lee (R) and Japanese actor Ken Watanabe take part in a photocall to promote the feature film 'Ikari' (Rage) at the San Sebastian Film Festival, in San Sebastian, northern Spain September 23, 2016. The film is part of the festival's Official Selection. REUTERS/Vincent West

Japanese director Sang-il Lee (R) and Japanese actor Ken Watanabe arrive to a photocall to promote the feature film 'Ikari' (Rage) at the San Sebastian Film Festival, in San Sebastian, northern Spain September 23, 2016. The film is part of the festival's Official Selection. REUTERS/Vincent West

Japanese director Sang-il Lee (R) and Japanese actor Ken Watanabe arrive to a photocall to promote the feature film 'Ikari' (Rage) at the San Sebastian Film Festival, in San Sebastian, northern Spain September 23, 2016. The film is part of the festival's Official Selection. REUTERS/Vincent West

Actor Ken Watanabe attends a press conference to promote the film Rage at TIFF the Toronto International Film Festival in Toronto, September 10, 2016. REUTERS/Fred Thornhill

Actor Ken Watanabe attends a press conference to promote the film Rage at TIFF the Toronto International Film Festival in Toronto, September 10, 2016. REUTERS/Fred Thornhill

Ken Watanabe and Kelli O'Hara perform a scene from the musical "The King and I" during the American Theatre Wing's 69th Annual Tony Awards at the Radio City Music Hall in Manhattan, New York June 7, 2015. O'Hara won the award for Best Performance by an Actress in a Leading Role in a Musical. REUTERS/Lucas Jackson 

Ken Watanabe and Kelli O'Hara perform a scene from the musical "The King and I" during the American Theatre Wing's 69th Annual Tony Awards at the Radio City Music Hall in Manhattan, New York June 7, 2015. O'Hara won the award for Best Performance by an Actress in a Leading Role in a Musical. REUTERS/Lucas Jackson 

Actors Ruthie Ann Miles (L), Ken Watanabe and Kelli O'Hara of "The King And I," arrive for the American Theatre Wing's 69th Annual Tony Awards at the Radio City Music Hall in Manhattan, New York June 7, 2015. REUTERS/Eduardo Munoz 

Nominees and cast mates from "The King and I," Ruthie Ann Miles and Ken Watanabe, arrive for the American Theatre Wing's 69th Annual Tony Awards at the Radio City Music Hall in Manhattan, New York June 7, 2015. REUTERS/Eduardo Munoz 

Ken Watanabe and Kelli O'Hara perform a scene from the musical "The King and I" during the American Theatre Wing's 69th Annual Tony Awards at the Radio City Music Hall in Manhattan, New York June 7, 2015. REUTERS/Lucas Jackson 

Ken Watanabe, nominated for Best Performance By An Actor In A Leading Role In A Musical for "The King And I," arrives with his wife Kaho Minami for the American Theatre Wing's 69th Annual Tony Awards at the Radio City Music Hall in Manhattan, New York June 7, 2015. REUTERS/Eduardo Munoz 

Cast member Ken Watanabe and his wife Kaho Minami pose at the premiere of "Godzilla" at the Dolby theatre in Hollywood, California May 8, 2014. The movie opens in the U.S. on May 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe and his wife Kaho Minami pose at the premiere of "Godzilla" at the Dolby theatre in Hollywood, California May 8, 2014. The movie opens in the U.S. on May 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe and his wife Kaho Minami pose at the premiere of "Godzilla" at the Dolby theatre in Hollywood, California May 8, 2014. The movie opens in the U.S. on May 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe and his wife Kaho Minami pose at the premiere of "Godzilla" at the Dolby theatre in Hollywood, California May 8, 2014. The movie opens in the U.S. on May 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe signs autographs at the premiere of "Godzilla" at the Dolby theatre in Hollywood, California May 8, 2014. The movie opens in the U.S. on May 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe signs autographs at the premiere of "Godzilla" at the Dolby theatre in Hollywood, California May 8, 2014. The movie opens in the U.S. on May 16.REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe arrives at the premiere of "Godzilla" at the Dolby theatre in Hollywood, California May 8, 2014. The movie opens in the U.S. on May 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Cast members Bryan Cranston (R) and Ken Watanabe greet each other at the premiere of "Godzilla" at the Dolby theatre in Hollywood, California May 8, 2014. The movie opens in the U.S. on May 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Cast members Bryan Cranston (R) and Ken Watanabe greet each other at the premiere of "Godzilla" at the Dolby theatre in Hollywood, California May 8, 2014. The movie opens in the U.S. on May 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Kaho Minami, wife of cast member Ken Watanabe, poses during the red carpet for the movie "Unforgiven", directed by Lee Sang-il, at the 70th Venice Film Festival in Venice September 6, 2013. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Actress Kaho Minami, wife of cast member Ken Watanabe, poses during the red carpet for the movie "Unforgiven", directed by Lee Sang-il, at the 70th Venice Film Festival in Venice September 6, 2013. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe is pictured during the red carpet for the movie "Unforgiven", directed by Lee Sang-il, at the 70th Venice Film Festival in Venice September 6, 2013. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT HEADSHOT) 

Actor Ken Watanabe poses at the red carpet for the movie "Unforgiven", directed by Sang-il Lee, during the 70th Venice Film Festival in Venice September 6, 2013. The movie debuts at the festival. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe waves during the red carpet for the movie "Unforgiven", directed by Lee Sang-il, at the 70th Venice Film Festival in Venice September 6, 2013. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe waves during the red carpet for the movie "Unforgiven", directed by Lee Sang-il, at the 70th Venice Film Festival in Venice September 6, 2013. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe (R) and his wife Kaho Minami pose during the red carpet for the movie "Unforgiven", directed by Lee Sang-il, at the 70th Venice Film Festival in Venice September 6, 2013. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Director Lee Sang-il (R) looks at cast member Ken Watanabe (C) and Watanabe's wife Kaho Minami during the red carpet for the movie "Unforgiven" at the 70th Venice Film Festival in Venice September 6, 2013. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Director Lee Sang-il (R) poses with actors, Akira Emoto (2nd L) and his wife Kazue Tsunogae (L), Yuya Yagira (3rd L), and, Ken Watanabe (2nd R) and his wife Kaho Minami, during the red carpet for the movie "Unforgiven" at the 70th Venice Film Festival in Venice September 6, 2013. REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Actors Ken Watanabe (L) and Yuya Yagira pose during a photocall for the movie "Unforgiven", directed by Sang-il Lee, during the 70th Venice Film Festival in Venice September 6, 2013. The movie debuts at the festival.
REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Actor Ken Watanabe poses during a photocall for the movie "Unforgiven", directed by Sang-il Lee, during the 70th Venice Film Festival in Venice September 6, 2013. The movie debuts at the festival.
REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Actor Ken Watanabe poses during a photocall for the movie "Unforgiven", directed by Sang-il Lee, during the 70th Venice Film Festival in Venice September 6, 2013. The movie debuts at the festival.
REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Actor Ken Watanabe poses during a photocall for the movie "Unforgiven", directed by Sang-il Lee, during the 70th Venice Film Festival in Venice September 6, 2013. The movie debuts at the festival.
REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Director Sang-il Lee (L) poses with actors Ken Watanabe (2nd R), Akira Emoto (2nd L) and Yuya Yagira (R) during a photocall for the movie "Unforgiven" during the 70th Venice Film Festival in Venice September 6, 2013. The movie debuts at the festival.
REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Director Sang-il Lee (L) poses with actors Ken Watanabe (2nd R), Akira Emoto (2nd L) and Yuya Yagira (R) during a photocall for the movie "Unforgiven" during the 70th Venice Film Festival in Venice September 6, 2013. The movie debuts at the festival.
REUTERS/Alessandro Bianchi (ITALY - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe bows during a news conference promoting the movie "Inception" in Tokyo July 21, 2010. REUTERS/Toru Hanai (JAPAN - Tags: ENTERTAINMENT) 

Cast members Leonardo DiCaprio (L) and Ken Watanabe pose during a news conference to promote their movie "Inception" in Tokyo July 21, 2010. REUTERS/Toru Hanai (JAPAN - Tags: SOCIETY ENTERTAINMENT) 

Cast members Leonardo DiCaprio (L) and Ken Watanabe attend a news conference to promote their movie "Inception" in Tokyo July 21, 2010. REUTERS/Toru Hanai (JAPAN - Tags: SOCIETY ENTERTAINMENT IMAGES OF THE DAY) 

Cast members Ken Watanabe and Leonardo DiCaprio (R) attend a news conference to promote their movie "Inception" in Tokyo July 21, 2010. REUTERS/Toru Hanai (JAPAN - Tags: ENTERTAINMENT) 

Director Christopher Nolan and cast members Leonardo DiCaprio and Ken Watanabe (L-R) pose during a photo session at a news conference to promote their movie "Inception" in Tokyo July 21, 2010. REUTERS/Toru Hanai (JAPAN - Tags: PROFILE ENTERTAINMENT) 

Cast member Ken Watanabe attends the Japanese premiere of "Inception" in Tokyo, July 20, 2010. REUTERS/Toru Hanai (JAPAN - Tags: ENTERTAINMENT PROFILE) 

Cast members Ken Watanabe and Leonardo DiCaprio (L) attend the Japanese premiere of "Inception" in Tokyo, July 20, 2010. REUTERS/Toru Hanai (JAPAN - Tags: ENTERTAINMENT PROFILE) 

Cast members Leonardo DiCaprio and Ken Watanabe (L) walk down the red carpet at the Japanese premiere of "Inception" in Tokyo July 20, 2010. BEST QUALITY AVAILABLE REUTERS/Issei Kato (JAPAN - Tags: ENTERTAINMENT PROFILE) 

(From R to L) Cast members Ken Watanabe, Leonardo DiCaprio, director Christopher Nolan and producer Emma Thomas greet the audience at the Japanese premiere of "Inception" in Tokyo July 20, 2010. REUTERS/Issei Kato (JAPAN - Tags: ENTERTAINMENT PROFILE) 

Cast members Leonardo DiCaprio (L) and Ken Watanabe greet the audience at the Japanese premiere of "Inception" in Tokyo July 20, 2010. REUTERS/Issei Kato (JAPAN - Tags: ENTERTAINMENT PROFILE) 

Cast member Ken Watanabe and his wife Kaho Minami attend the Japanese premiere of "Inception" in Tokyo July 20, 2010. REUTERS/Issei Kato (JAPAN - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe arrives with his wife Kaho Minami at the Japanese
premiere of "Inception" in Tokyo July 20, 2010. REUTERS/Toru Hanai (JAPAN - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe poses at the premiere of "Inception" at the Grauman's Chinese theatre in Hollywood, California July 13, 2010. The movie opens in the U.S. on July 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe walks with his wife Kaho Minami at the premiere of "Inception" at the Grauman's Chinese theatre in Hollywood, California July 13, 2010. The movie opens in the U.S. on July 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Cast member Ken Watanabe gestures next to his wife Kaho Minami at the premiere of "Inception" at the Grauman's Chinese theatre in Hollywood, California July 13, 2010. The movie opens in the U.S. on July 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT IMAGES OF THE DAY)