He is known for playing Henry Lin on the television series Sons of Anarchy (2008–2014), Chester Ming in Martin Scorsese's The Wolf of Wall Street (2013), and Judge Lance Ito in The People v. O. J. Simpson: American Crime Story (2016).
Eventually I said, you know, "I'm going to give it a go, I’m going to try it" and so I dropped out of school, I packed up all of my belongings, which was not much, [I] saved up enough money to buy a one-way Greyhound ticket and I came out West.
He ran cross-country and was a gymnast at Homewood-Flossmoor High School where he held the sophomore record for the pommel horse.
His parents, especially his father, discouraged his childhood dreams of becoming an actor, instructing him to pursue a "responsible and reasonable" career, like accounting.
[3] Choi followed the advice of his parents and majored in accounting at Purdue University, but decided to drop out in order to pursue his acting dreams.
In film, Choi appeared in The Wolf of Wall Street (as Chester Ming),[1] Captain America: The First Avenger (as Jim Morita), Red Dawn (as Smith) and Suicide Squad.
He appeared in various TV series, including Longmire, The Newsroom, The Last Man on Earth, Glee, Heroes, 24, Lincoln Heights, CSI: Crime Scene Investigation, House M.D.