Actor Ma Dong-seok holds American nationality and his birth name is Don Lee.

There is significant interest in the nationality of South Korean actor Ma Dong-seok. Although he was born and raised in Seoul, he immigrated to the United States with his family during his teenage years and subsequently acquired U.S. citizenship. For his international engagements, he uses his English name, 'Don Lee', and was introduced by this name in the Marvel film 'Eternals'.

Before his acting debut, Ma Dong-seok worked as a professional trainer in the U.S., even training mixed martial arts fighters. His birth name is Lee Dong-seok, and he was born on March 1, 1971. His notable filmography includes the 'The Roundup' series, 'Train to Busan', and 'Eternals'. He has starred in multiple films that attracted over 10 million viewers, such as 'Veteran', 'Train to Busan', 'Along with the Gods: The Two Worlds', 'Along with the Gods: The Last 49 Days', 'The Roundup 2', 'The Roundup 3', and 'The Roundup 4'.

Bloggers expressed surprise upon learning of Ma Dong-seok's American nationality, as his strong presence in Korean cinema led many to assume he was Korean. His ability to portray both a tough exterior and a warm, humane side has contributed to his widespread popularity, and his action performances are noted for their understanding of physical principles.