Byron Mann (born August 13, 1967 in Hong Kong), is a Hong Kong American actor of film and television. His roles include Wing Chau in The Big Short, Chang in Hell on Wheels, Ryu in Street Fighter, Silver Lion in The Man with the Iron Fists, Admiral Nguyen in The Expanse, Yao Fei in the first season of Arrow and Uncle Six in the Netflix series Wu Assassins.
In 1990, Mann's acting career began. Mann starred in films such as Red Corner and The Corruptor, and in the television show Dark Angel, and has also co-starred in Catwoman and Invincible. He is best known as Ryu in Street Fighter (starring alongside Jean-Claude Van Damme and Raúl Juliá) and Koh in the manga-based movie Crying Freeman. In 2012, Mann starred alongside Russell Crowe and Lucy Liu in The Man with the Iron Fists, directed by RZA, and presented by Quentin Tarantino. In 2015, Mann appeared in The Big Short, a Paramount Pictures feature film directed by Adam McKay, alongside Brad Pitt, Christian Bale, Ryan Gosling and Steve Carell. He also was a series regular on AMC's Hell on Wheels, playing the powerful railroad mercenary Chang. In 2018, Mann was a recurring character on Netflix's Altered Carbon.