Lee Dong-seok (; born March 1, 1971), better known by the Ma Dong-seok () and Don Lee, is a South Korean and American actor and film producer based in South Korea. He gained early recognition for his supporting roles in (2012) and The Neighbor (2012).
Ma rose to prominence with his breakout performance in Train to Busan (2016), where he played a tough yet compassionate survivor, earning widespread acclaim. He cemented his status as a leading action star with The Outlaws (2017), in which he portrayed the relentless detective Ma Seok-do, a role he reprised in the highly successful The Roundup film series. His subsequent leading roles include (2018), The Gangster, the Cop, the Devil (2019), (2019), Start-Up (2019), and Ashfall (2019).
In 2021, Ma made his Hollywood debut in the Marvel Cinematic Universe film Eternals, which further expanded his global recognition. He remains one of South Korea's most bankable stars and was named Gallup Korea's Film Actor of the Year in 2018, 2023, and 2024.
Ma's role in the zombie film Train to Busan propelled him to international popularity. His subsequent leading roles in films Derailed, The Bros, The Outlaws, Unstoppable, Champion, The Gangster, the Cop, the Devil, and The Roundup along with supporting roles in and Ashfall have met with critical and commercial successes led him to Most Bankable Star of Korean Cinema. Although known for his 'tough guy' persona roles, Ma is often celebrated and criticized for playing similar roles in his movies. In 2019, he joined the cast of the MCU film Eternals as Gilgamesh which marked his Hollywood debut. On television, Ma is known for his roles in the hit OCN series Bad Guys and Squad 38.
In 2022, Ma signed a contract with LDH Japan, another large Japanese agency. His 2022 release action crime thriller The Roundup, sequel to his 2017 film The Outlaws not only opened to unanimous positive reviews but also became the highest-grossing film of 2022 by surpassing 12 million admissions for the first time since 2019 and all time 3rd highest grosser in South Korea. In 2024, dystopian film Badland Hunters in which Ma is playing role of wasteland hunter was released on 26 January on Netflix.
In 2026 he is set to star in an action-adventure videogame developed by Nagoshi Studio, founded by Toshihiro Nagoshi entitled Gang of Dragon
/ref>
With his production company Team Gorilla, Ma is currently involved in planning and writing screenplays. He worked on the screenplay for the film Deep Trap, in which he starred. He is also the co-creator of the OCN Dramatic Cinema series .
| 2012 | 33rd Blue Dragon Film Awards | Best Supporting Actor | The Neighbor | ||
| 2013 | 49th Baeksang Arts Awards | ||||
| 22nd Buil Film Awards | |||||
| 17th Puchon International Fantastic Film Festival | It Award | ||||
| 2016 | 5th APAN Star Awards | Best Supporting Actor | Squad 38 | ||
| 25th Buil Film Awards | Familyhood | ||||
| 37th Blue Dragon Film Awards | Train to Busan | ||||
| 2017 | 8th KOFRA Film Awards | ||||
| 11th Asian Film Awards | |||||
| 53rd Baeksang Arts Awards | |||||
| 22nd Chunsa Film Art Awards | |||||
| 2018 | Golden Egg Awards | Best Actor | The Outlaws | ||
| 54th Baeksang Arts Awards | Best Actor (Film) | ||||
| 23rd Chunsa Film Art Awards | Best Actor | ||||
| 2nd Korea China International Film Festival | Best Actor | ||||
| 2022 | Beautiful Artist Awards | Film Artist Award | The Roundup | ||
| 9th Korean Film Producers Association Awards | Best Actor | ||||
| 2022 Kinolights Awards | Actor of the Year (Domestic) | ||||
| 2023 | Visionary Awards | 2023 Visionary | |||
| 59th Baeksang Arts Awards | Best Actor – Film | The Roundup |
| + Name of publisher, year listed, name of listicle, and placement ! scope="col" | Publisher ! scope="col" | Year ! scope="col" | Listicle ! scope="col" | Placement ! scope="col" class="unsortable" | |
| 2018 | 1st | ||||
| 2019 | 2nd | ||||
| 2020 | 3rd | ||||
| 2021 | 3rd | ||||
| 2022 | 2nd | ||||
| 2023 | 1st |
|
|