Kōji Yamamoto

• Name — Koji Yamamoto • Native Name — 山本 耕史 • Born — 31 October 1976 • Birthplace — Shinjuku, Tokyo, Japan • Occupation — Actor • Years Active — 1976–present • Children — 2

He began his career as a baby model at under one year of age. He also played Gavroche in the original Japanese cast and later Marius in the Japanese TOHO production of Les Misérables and appears on the 2003 "green" cast recording. His first major role was in 2004 in Shinsengumi!, as Hijikata Toshizō, a role he reprised for the 2006 sequel. This sequel portrays the last day of Hijikata Toshizō, Vice Commander of Shinsengumi and he reprised the role in Asa ga Kita eleven years later. In 2022 he also played Alien Mefilas in Shinji Higuchi's critically acclaimed tokusatsu superhero film Shin Ultraman.

Yamamoto married actress Maki Horikita on 22 August 2015, and their first child was born in December 2016. The couple became close in May 2015 when playing the role of lovers in the theatrical production Arashi ga Oka (Wuthering Heights), commenced dating in June 2015, and married in August 2015.

• Under the Same Roof (1993–97), Fumiya Kashiwagi • Boys Over Flowers (1996–97), Rui Hanazawa (voice) • Shinsengumi! (2004), Hijikata Toshizō • Shinsengumi!: Hijikata Toshizo Saigo no Ichinichi (2006), Hijikata Toshizō • The Family (2007), Ginpei Manpyō • Kagerō no Tsuji Inemuri Iwane Edo Zōshi (2007–17), Sakazaki Iwane • Atashinchi no Danshi (2009), Shuji Tokita • Jin (2009–10), Noguchi • Wagaya no Rekishi (2010), Mitsunari Ano • Mother (2010), Shunsuke Fujiyoshi • Taira no Kiyomori (2012), Fujiwara no Yorinaga • Asa ga Kita (2015), Hijikata Toshizō • Sanada Maru (2016), Ishida Mitsunari • Thrill (2017), Shin'nosuke Shirai • Totto-chan! (2017), Moritsuna Kuroyanagi • Hitoshi Ueki and Nobosemon (2017), Hitoshi Ueki • Fūunji tachi (2018), Hiraga Gennai • Naruto Hitchō (2018), Norizuki Gennojō • Kishū Hanshu Tokugawa Yoshimune (2019), Tokugawa Yoshimune • What Did You Eat Yesterday? (2019–23), Daisaku Kohinata • Kamen Rider Zero-One (2019), Soreo Hiden • A Warmed Up Love (2020), Ryō Kamiko • An Incurable Case of Love (2020), Rokuro Koishikawa • The 13 Lords of the Shogun (2022), Miura Yoshimura • Hayabusa Fire Brigade (2023), Hiroshi Nakayamada • Extremely Inappropriate! (2024), Kazuya Kurita • Tokyo Swindlers (2024), Aoyagi • The Laughing Salesman (2025) • Extremely Inappropriate! Special (2026), Kazuya Kurita

• Les Misérables – Gavroche (Original cast (1987–1988)), Marius (2003–2004) • Stand by Me – Chris (1991), Ace (1994) • RENT – Mark (1998–1999) • Cyrano – Christian de Neuvillette (2000–2001) • Romeo and Juliet – Romeo (2001) • The Pitchfork Disney – Cosmo (2002) • Godspell – Jesus (2001–2010) • Thank you! Broadway! Vol.2 (2002) • The Pilgrim – Naotaro (2003) • Tick, Tick... Boom! – Jon (2003–2006) • Broadway Gala Concert 2005 (2005) • Little Shop of Horrors – Seymour Krelborn (2005) • The Last Five Years – Jamie (2005–2010) • Hedwig and the Angry Inch – Hedwig (2007–2009) • The Picture of Dorian Gray – Dorian (2009) • Usani – Snake (2012) • Mozart L'Opera Rock – Mozart / Salieri (2013) • Napoleon – Montholon Earl (2013) • Memphis – Huey Calhoun (2015) • Wuthering Heights – Heathcliff (2015) • Anastasia – Gleb (2020)

• Lost Judgment (2021) – Jin Kuwana

• Live-action • Jurassic World (2017 NTV edition), Owen Grady (Chris Pratt) • Pinocchio, Jiminy Cricket (Joseph Gordon-Levitt) • Animation • Puss in Boots: The Last Wish, Puss in Boots • The Lion King II: Simba's Pride, Kovu