Do we like Ma Dong-seok?
Our score: 7 out of 10. A clean run in the sources we read and real work for young boxers, but little on record about where he stands on the issues.
Ma Dong-seok was born in Korea in 1971 and moved to the United States with his family at 18. He finished at Columbus State Community College, then worked as a personal trainer for mixed martial artists, including Mark Coleman, before heading home to act. That's a very different route into the movies from the usual one.
He debuted in 2004 with a small part in Dance with the Wind and has since turned up in dozens of films. By 2017 he was telling the Korea Times he was a boxer in middle school, and that he had long wanted to play a cop. Boxing has stuck with him for good.
He broke through globally as the big-hearted bruiser in Train to Busan, then played Gilgamesh in Marvel's Eternals as Don Lee. Asked about that cast, he called them “like one big family” and said the film's message is to embrace others without preconceptions. Fair enough from a bloke in a cast that was unusually diverse.
The recent news is work. He finished filming Tygo, a Korean Extraction spin-off, in March, and in August his agency confirmed he joins Extraction 3 with Chris Hemsworth and Idris Elba. He is also filming a fifth Ma Seok-do film, due next year.
The good stuff is mostly boxing. In March 2026 he received a special appreciation plaque at the Korea Sports Association's Sports Awards for popularising boxing and supporting young boxers. He also planned and produced the boxing show I Am Boxer, which won a ContentAsia gold award in August.
He said in the show's run-up that “the ring is equal for everyone”, which is a nice line for a bloke who trains amateurs as well as actors. We found no court outcomes or credible allegations against him in what we read. The record is thin on his politics, so we're confident but not gushing.