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) and Yuichi "The Father" Kimura in Bullet Train (2022). Description above from the Wikipedia article Andrew Koji, licensed under CC-BY-SA, full list of contributors on Wikipedia.