Heo Nam-jun (; born June 9, 1993) is a South Korean actor. He is best known for his roles in '' Your Honor'' (2024) and '' When the Phone Rings'' (2024–2025).
Career
Prior to his debut, Heo studied in
Sungkyunkwan University
Sungkyunkwan University (SKKU or ''Seongdae'', ) is a private research university with campuses in Seoul and Suwon, South Korea.
The institution traces its origins to the historic Sungkyunkwan founded in 1398 in central Seoul.
Heo debuted in 2019 through the movie ''Like the First'' (2019). His first drama appearance was in OCN drama '' Missing: The Other Side'' (2020). Heo would go on to play supporting roles in dramas such as ''
Snowdrop
''Galanthus'' (from Ancient Greek , (, "milk") + (, "flower")), or snowdrop, is a small genus of approximately 20 species of bulbous perennial herbaceous plants in the family (biology), family Amaryllidaceae. The plants have two linear leav ...
'' (2021); ''
The Matchmakers
''The'' is a grammatical article in English, denoting nouns that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite article in English. ''The'' ...
'' (2023); '' Sweet Home'' Season 2 and 3 (2023–2024); and ''
The Impossible Heir
''The Impossible Heir'' () is a 2024 South Korean revenge drama workplace thriller television series written by Choi Won, directed by Min Yeon-hong, and starring Lee Jae-wook, Lee Jun-young, and Hong Su-zu. It is about a story of minor leaguers ...
2024 APAN Star Awards
The 2024 APAN Star Awards () ceremony took place on December 28, 2024, at Dongdaemun Design Plaza Arthall 1 Jung-gu, Seoul. The 10th anniversary award show was hosted by Kim Seung-woo and Park Sun-young and broadcast exclusively on tvN and BigK ...
for his performance in ''Sweet Home''.
In 2024, Heo portrayed a cold-blooded gangster and murderer named Kim Sang-hyuk – the eldest son of
Kim Myung-min
Kim Myung-min (, born October 8, 1972) is a South Korean actor. He is best known for his leading roles in the television series ''Immortal Admiral Yi Sun-sin'' (2004), ''White Tower (TV series), White Tower'' (2007), ''Beethoven Virus'' (2008), ' ...
's character Kim Kang-heon – in '' Your Honor'', a role which garnered Heo increased public attention. During that same year, Heo portrayed Ji Sang-woo, a warm-hearted psychiatrist and YouTuber who specialized in unsolved cases in '' When the Phone Rings''. The drama itself was a commercial success and received positive reviews. Heo was also awarded the Best New Actor Award from the
2024 MBC Drama Awards
The 2024 MBC Drama Awards (), presented by Munhwa Broadcasting Corporation (MBC) took place at MBC Media Center Public Hall in Sangam-dong, Mapo-gu, Seoul on December 30, 2024. Kim Sung-joo hosted the award ceremony sixth year in succession, al ...
for his outstanding performance in the drama.
Heo was cast in TvN drama ''
When the Stars Gossip
''When the Stars Gossip'' () is a 2025 South Korean television series written by Seo Sook-hyang, directed by , and starring Lee Min-ho, Gong Hyo-jin, Oh Jung-se, and Han Ji-eun. The series follows the fateful encounter of a space tourist and an ...
'' (2025), which was first broadcast on January 4, 2025.