Andrew Koji (born 1987) is a British actor and martial artist. He had his breakout role as Ah Sahm in the Cinemax series Warrior (2019–2023). Koji went on to play Storm Shadow in Snake Eyes (2021), Yuichi "The Father" Kimura in Bullet Train (2022), and Zeek Kimura in Gangs of London (2025–present).
Early life Andrew Koji was born in 1987 to an English mother and a Japanese father. His parents separated when he was young, and he was brought up by his mother in Epsom, Surrey.
Career Koji began working in the film industry doing extra work and making short films as a teenager. At 18, he moved to Thailand while still training in martial arts and did some small jobs in the film industry. He subsequently worked in Japan's film industry for a few years, before returning to England to train at the Actors' Temple Studio in London. Eventually, Koji started getting more jobs in theatre and television in the UK. Regarding his opportunities there, he stated: "In the UK I would say my dual heritage has not particularly been advantageous. Opportunities for East Asian actors at the time was and still is quite limitedalthough things are changing."
Koji dropped out of university at the age of 19 to focus on acting and martial arts. In his twenties, Koji studied and competed in taekwondo and trained in Shaolin kung fu at the Shaolin Temple UK. He has written and produced his films, and has also worked as a stunt double; most notably on Fast & Furious 6. He has also performed with the Royal Shakespeare Company, at the Regent's Park Open Air Theatre, Hampstead Theatre, Royal Court, Charing Cross Theatre, and Ovalhouse among others.
By 2017, Koji was discouraged by a lack of television roles and considered a career change. His agent and his mother convinced him to submit an audition tape for the lead role of Ah Sahm in the Cinemax series Warrior, which he secured.
Based on an original idea by Bruce Lee for the 1972 series Kung Fu, that starred David Carradine, and was produced by filmmaker Justin Lin, Warrior is centered around a martial arts prodigy in the late 1870s who emigrates from China to the United States in search of his sister, only to be drawn into the Tong Wars of San Francisco. In a nod to Lee's idea for the character's ethnic background, Ah Sahm is of partial European ancestry, which Koji found fitting for the character and relatable due to his own ancestry. The first season premiered in April 2019, and the second season premiered in October 2020. A third season ran on HBO Max. Overall the series ran for three seasons and a total of 30 episodes from 2019 to 2023.
Koji played Storm Shadow in the 2021 film Snake Eyes, and assassin Yuichi Kimura in David Leitch's 2022 action film Bullet Train. In 2023 he appeared in the action-fantasy film Boy Kills World, directed by Moritz Mohr, and joined Netflix series Black Doves.
In May 2025, Koji was confirmed for the role of Ryu in the Street Fighter reboot film.
Filmography Film Year Title Role Notes2007FB: Fighting BeatKali200920th Century Boys 2: The Last HopeThai Gangster2011The Missing DayHuan2013Fast & Furious 6Undercover PoliceExtra role (uncredited); stunt double for Sung KangScrutinyStefan AireAbove the WaistKen Short film; also writer and producerWon Best Actor Award, Asian on Film FestivalA SituationYuji#aiww: The Arrest of Ai Weiwei1st Policeman / 1st Soldier2015LuckRaiDeep Pan FuryKatashi Kimoto2017TrendyEstate Agent 12021Snake EyesTomisaburo Arashikage / Storm Shadow2022Bullet TrainYuichi Kimura2023Seneca – On the Creation of EarthquakesFelix2024Boy Kills WorldBasho2025Worth the WaitScott 2026Double TroubleDavidPost-productionStreet FighterRyuPost-production
Television Year Title Role Notes2010, 2015CasualtyKeong Murong / Haro Reid2 episodes2012Narrow EscapesWW2 SoldierSeconds from DisasterATC Officer-JAL 123Episode: "Terrified Over Tokyo"2013The Wrong MansJason3 episodes2014Film Lab PresentsSam Episode: "Deciding to Live"2015AcquittedChen Liang2 episodes2016Call the MidwifeBenny SuEpisode #5.32017Jade DragonMikey2 episodesFinding AkiraJamesTV film2018The InnocentsAndrew3 episodes2019American GodsCEOEpisode: "The Greatest Story Ever Told"Peaky BlindersBrilliant Chang2 episodes2019–2023WarriorAh SahmMain role; 30 episodes2024Black DovesJason Davies6 episodes2025–presentGangs of LondonZeek Kimura6 episodes2026StealDarren Yoshida5 episodes
Video games +YearTitleRole2017Final Fantasy XIVHien Rijin2024Black Myth: WukongErlang Shen
Theatre +YearTitleRoleProduction companyStar Wars Stage ShowJediWeird and WonderfulRichard IIIRichardThe Actors TempleA Streetcar Named DesireStanley KowalskiThe Actors Temple2013The Fu Manchu ComplexDr. PetrieMoongate Productions/ Mark Cartwright ProductionsThe Arrest of Ai WeiweiPoliceman / SoldierHampstead TheatreThe Forgotten of the ForgottenGuoRadar FestivalHiddenJason/ Various other rolesRoyal Court Theatre2016In the Bar of a Tokyo HotelThe BarmanCharing Cross TheatreShangri-LaKarmaYellow Earth2017Snow in MidsummerFangRSCA Tale of Two CitiesJacquesRegents Park Open Air Theatre
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