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Tomohiro Saitō (齋藤 智裕,Saitō Tomohiro^[1], born 13 April 1984), known professionally asHiro Mizushima (水嶋 ヒロ,Mizushima Hiro), is a Japanese actor, creative director, and writer. He appeared in a number of Japanese TV dramas, includingMei-chan no Shitsuji,Hanazakari no Kimitachi e andZettai Kareshi. Additionally, he was well known as the protagonist Souji Tendo in thetokusatsu seriesKamen Rider Kabuto. Mizushima serves as the co-producer, co-screenwriter and leading actor for the latest filmBlack Butler which is the live-action film adaptation ofthe popular manga. His birth name "Tomohiro Saito" is being credited as co-producer in the film.

Under hispen nameSatoshi Saitō (齋藤 智,Saitō Satoshi), he wrote his first novel,Kagerou, which was chosen as the winner of the 5th Popular Publishing Grand Prize for Fiction and was published in 2010.

Mizushima first appeared on Japanese television in 2005, where he played Hiro Misawa, a minor character in the second season ofGokusen. In the same year, he found guest starring roles in Japanese dramas such asAme to Yume no Ato ni and a small role in theTBS dramaBrother Beat.

In 2006, Mizushima became a main character in the seriesKamen Rider Kabuto and acted in the lead role in the filmKamen Rider Kabuto: God Speed Love.

Beginning in 2007, Mizushima began taking on bigger roles in more high-profile productions, such as the supporting role of the Minami Nanba inHanazakari no Kimitachi e and the main role of Soshi Asamoto inZettai Kareshi in 2008. Both dramas were among the most popular dramas of Japan at the time of their airing. Mizushima also provided the voice ofBruce Banner in the Japanese dub ofThe Incredible Hulk. Mizushima took the role of Jiro Mori in the 2008 TV dramaRoom of King.

In 2009, he starred in the dramaMei-chan no Shitsuji as Rihito Shibata, a perfect butler. In the same year, he landed the role of Toranosuke Hayashida in the dramaMr. Brain in which he played a detective's assistant. Later that year, Mizushima starred alongsideShun Oguri in the dramaTokyo Dogs, playing a detective who is a hot-blooded fighting expert due to his earlier days as a delinquent. He also starred in the feature filmDrop in the same year in the role of Tatsuya Iguchi, a middle school student in a delinquent gang.

In 2010, Mizushima landed the role of Ryusuke Minami in the filmBeck, in which once again acted alongsideMei-chan no Shitsuji co-starTakeru Satoh.

In September 2010, Mizushima left histalent agency,Ken-On, to create an own independent agency called A Station.^[3] Several weeks later, on 31 October 2010, it was announced that Mizushima had won the 5thPoplar Publishing Grand Prize for Fiction and a cash prize of 20 million yen for his debut work, titledKagerou, written under thepen name Satoshi Saitō (齋藤 智,Saitō Satoshi)^[4] but he decided to decline the 20 million yen prize money.^[5] The book was published in December 2010. In the two and a half years of Oricon's book charts,Kagerou recorded the third highest first-week sales, behindJ. K. Rowling'sHarry Potter and the Deathly Hallows (1.191 million) andHaruki Murakami's1Q84 Book 3 (398,000).

In 2014, Mizushima starred as Sebastian Michaelis in the filmBlack Butler, in which he also serves as the co-screenwriter and co-producer. The film was shown at the Toronto Japanese Film Festival and Brussels International Fantastic Film Festival 2014.^[6]

In August 2015, Mizushima announced that he would appear as a guest cast in the fifth season ofHBO'sGirls, which aired in 2016. This was his first international TV appearance.^[7]

On January 14, 2020, Hiro was announced as an ambassador of the upcoming eight installment ofShimajiro 3D CGI animated movie, which was released on February 28, 2020.^[8]

Mizushima isbilingual, being fluent in English and Japanese. He spent his whole elementary school years (1990 to 1996) inZürich, Switzerland. He was bullied and discriminated against as a child at International School in Switzerland. When he came back to Japan, he attended the junior high school and the high school of Toin Gakuen, and belonged to the soccer club of the school. When he was in the twelfth grade, he worked as a regular midfielder in The 81st All Japan High School Soccer Tournament.

Mizushima graduated fromKeio University and has a degree in Environmental Information.

He married Japanese pop singerAyaka on 22 February 2009. In December 2014, the couple announced through their agency that they are expecting their first child. In June 2015, Mizushima announced via Instagram that he had become a father to a baby girl.^[9] In October 2019 they welcomed their second daughter.^[10]

On October 8, 2019, he became aYouTuber starring his ownYouTube cooking show,Hiro-Meshi: Japanese Home-Style Cooking. One of the aired episode also guest starring his fellow actor fromKamen Rider Kabuto,Yūki Sato.^[11]

This section of abiography of a living persondoes notinclude anyreferences or sources. Please help by addingreliable sources. Contentious material about living people that is unsourced or poorly sourcedmust be removed immediately. Find sources: "Hiro Mizushima" – news ·newspapers ·books ·scholar ·JSTOR(December 2012) (Learn how and when to remove this message)

• The Incredible Hulk,Bruce Banner (Edward Norton)^[12]

• Kagerou (2010)ISBN 978-4-591-12245-7

• Hiro (January 2007)
• With You (November 2007)
• Hiromode (December 2008)
• Water Island: Peace (December 2009)

• Silent ScreamGirl Next Door - Guest appearance and co-scriptwriter (2011)

• Official website(in Japanese)
• Hiro Mizushima atIMDb

• 1984 births
• Male actors from Tokyo
• Japanese male film actors
• Japanese male television actors
• Keio University alumni
• Living people
• Writers from Tokyo
• Japanese YouTubers
• 21st-century Japanese male actors

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