Heo Nam-Joon is an actor from South Korea that has been gradually taking up increasingly important positions from secondary roles. In 2019, he took part in his screen debut. Nevertheless, he spent some time acting in secondary roles before he became famous. Two years ago was his breakthrough. Initially, he was cast as the heartless Kim Sang-hyuk in Your Honor. Subsequently, he acted as a psychiatrist Ji Sang-woo in When the Phone Rings. With his acting, he attracted additional attention.
In addition, he received the award for Best New Actor in MBC Drama Awards for his performance in When the Phone Rings. Next, Heo continued developing his acting career with the help of such shows as When the Stars Gossip and A Hundred Memories. Recently, he achieved success with his first romantic comedy lead role in My Royal Nemesis. Keep reading further to know more about his personal and professional life journey. This biography blog entirely revolves around Heo Nam-Joon.
Heo Nam-Joon Biography & Wiki
He was officially born as Heo Nam-jun on June 9, 1993. Indeed, his name is often misspelled as Heo Nam-Joon. Reports suggest that he was born in Seoul, South Korea. Heo Nam-jun is a South Korean actor, who majored in acting from the Sungkyunkwan University, and started his career as an actor in 2019. He initially participated in movies and dramas but in supporting roles.
This means that the viewers might know him through his participation in such dramas as Snowdrop, The Matchmakers, Sweet Home, The Impossible Heir, and Your Honor. His participation in the drama Your Honor as Kim Sang-hyuk was notable, whereas his performance as Ji Sang-woo in the drama When the Phone Rings was another side of his acting skills. Ultimately, he won the MBC Drama Award as the Best New Actor. His first romantic comedy leading role in My Royal Nemesis was played by Cha Se-gye.
| Field | Details |
|---|---|
| Full Name | Heo Nam-jun |
| Date of Birth | June 9, 1993 |
| Age | 33 years old |
| Traditional Korean Age | 34 years old |
| Birthplace | Seoul, South Korea |
| Nationality | South Korean |
| Profession | Actor |
| Religion | Christian |
| Zodiac Sign | Gemini |
| Marital Status | Unmarried |
| Current Residence | Gangwon, South Korea |
Early Life & Upbringing
Heo Nam-Joon is a Korean actor born in Seoul, South Korea. Many people join the entertainment world when they are young. But Heo Nam-jun became an accomplished screen actor only after he turned 25 years old. The man has admitted in interviews how hard it was for him before he gained success. In particular, in an interview, he confessed that he even had part-time jobs three years ago. According to his story, he worked to make money and at the same time to develop his career in acting.
Moreover, his early childhood had something to do with a rural environment. Recent interviews showed that the man used to help on farms when he was a child. He used to have different part-time jobs, such as shoe salesman in a department store and working on the construction sites, before he became famous. However, acting is not what Heo Nam-jun wanted to be engaged in at the very beginning. First of all, he was going to study practical music. But soon he understood that he does not succeed in music and switched his major to acting.
Educational Background of Heo Nam-Joon
Heo Nam-jun studied at Sungkyunkwan University. At the institution, he gained experience in acting and acquired his professional expertise. In addition, his studies had significance for Heo’s private life, because he revealed that actress Hong Yi-seol was his classmate at the university. They met during their time at university and became friends as a result. That information proved to be relevant when gossip about their relationship emerged. Prior to acting, he prepared to enter a practical music faculty; however, in the end, he made a different choice for his future career path.
Heo Nam-Joon Age
His date of birth is recorded as June 9, 1993. Accordingly, Heo Nam-Joon is 33 years old. In contrast, his traditional Korean counting age is 34 years.
Physical Appearance
| Field | Details |
|---|---|
| Height | 5 feet and 11 inches (180 cm) |
| Weight | 71 kgs (157 lbs) |
| Hair Color | Black |
| Eye Color | Dark Brown |
| Skin Color | Light complexion |
| Appearance | Slim and athletic body |
Parents & Siblings of Heo Nam-Joon
Much of what Heo Nam-Joon’s family members are like is kept private by him. As a result, there are no concrete details about his family members who include his parents’ names as well as their occupations in the public domain. Nonetheless, he has talked about his younger twin brother. In May 2026, Heo talked about how he and his twin brother are different in many ways in his web show called “Salon Drip.” He explained that his brother is taller than him with darker skin.
Heo Nam-Joon’s Love Life, Marriage, & Kids
According to public records, Heo Nam-Joon is not married yet. There are no confirmed children as well. A few months ago, there were dating rumours connecting him with the popular actress and model named Hong Yi-seol. Both of them have denied these claims publicly. They know each other due to shared university classes. Heo’s current relationship status is unknown as he hasn’t revealed any current or past girlfriends.
Initial Career & Professional Journey
The beginning of Heo Nam-Joon’s acting career came with films, where his first screen appearance was noted in “Like the First” as Manager Joo. His other film appearances were in movies like “Night in Paradise” and “Double Patty.” These were mainly through supporting roles in professional movies.
His first appearance on television was through his guest role in “Missing: The Other Side” followed by his role in “Snowdrop.” From there, he was able to set a solid base for himself before joining big television shows. Another platform that gave him fame was “KBS2’s The Matchmakers,” where he portrayed Jung Soon-gu, the older brother of Jung Soon-deok, and later joined Netflix’s “Sweet Home” as Staff Sergeant Kang Seok-chan in Seasons 2 and 3.
Heo also went ahead and furthered his career in streaming and television by working on The Impossible Heir on Disney+, where he starred as Ha Myeong-jin. His big break came when he acted as Kim Sang-hyuk, the volatile first-born son of businessman Kim Kang-heon on the show Your Honor. The demanding role brought him fame and helped him demonstrate his prowess in acting, earning him a nomination for Best New Actor at Blue Dragon Series Awards. Not long after that, he went on to act as Ji Sang-woo, a psychiatrist and mysterious content creator in When the Phone Rings on MBC.
Growing Stardom & Major Acting Opportunities
Afterwards, Heo was featured in tvN’s When the Stars Gossip as Lee Seung-jun, and he went on further on television with his role in JTBC’s A Hundred Memories where he played Han Jae-pil, the son of a department store owner in a romantic plot during the 1980s. He even made a cameo appearance as Na Dae-ryong in The Dream Life of Mr. Kim and played as Kim Yeon-jun in the second episode of Perfect Crown. With these characters, Heo managed to delve deeper into various genres of drama that include romantic and emotional storylines and comedies.
The highest point in the career of Heo Nam-Joon is the appearance in Netflix’s romantic comedy titled My Royal Nemesis in which he starred alongside Lim Ji-yeon as Cha Se-gye, an arrogant chaebol who sees life differently after he meets Joseon woman, brought from another time to the present-day Seoul. The show turned out to be a huge hit in South Korea and ranked high in Netflix’s chart for non-English TV shows. With his character in this project, Heo proved his ability to evolve from dark secondary actor to a handsome leading actor combining arrogance, humor, vulnerability, and romance. Heo’s performance was even praised by the director and screenwriter.
Achievements & Awards
- Best New Actor (MBC Drama Awards): Won for When the Phone Rings.
- Best New Actor (APAN Star Awards): Nominated for Sweet Home & Your Honor.
- Best New Actor (Broadcasting) (Baeksang Arts Awards): Nominated for Your Honor.
- Best New Actor (Blue Dragon Series Awards): Nominated for Your Honor.
Heo Nam-Joon Net Worth 2026
Heo Nam-Joon’s net worth is estimated to be USD 1.5 million. According to other sources, it can be as high as USD 5 million. A real-time net worth figure has not been disclosed by Heo or his team yet. When it comes to his income sources, he earns from K-drama acting salaries, film projects, brand endorsements, promotional campaigns, and modeling.
Social Media Handles
| Platform | Username | Followers |
| @namjun0609 | 1.8 million+ | |
| X | – | – |
| – | – |
Trivia
- Heo Nam-jun has a fraternal twin little brother who looks nothing like him.
- Contrary to his twin brother, Nam-jun is the shorter twin and even wore his twin’s hand-me-downs.
- Interestingly, his twin brother never addressed him as “hyung” but just called him “hey.”
- At school time, his twin brother is reported to have been more popular than Nam-jun.
- Before getting into acting, he planned on attending university through a practical music major.
- Nam-jun used to joke that his singing talent was “taken away” by someone despite his passion for music.
- When he was young, he used to help his parents out with the farm work.
- Prior to fame, he had done different part-time jobs ranging from a department store shoe counter to construction site worker.
- He has stated that IU’s “Never Ending Story” was one of the greatest turning points in his life.
- The child of his sister got famous after Nam-jun posted the cute photo where he is seen holding the infant.
- Nam-jun has been known to be interested in challenging all kinds of roles, including stories of athletes, firefighters, and special-forces personnel.
FAQs
What is his traditional Korean age?
According to Traditional Korean age counting, Heo Nam-Joon is 34 years old.
Who was he rumoured to be dating?
The dating rumours associated him with Hong Yi-seol, an actress and model from South Korea.
Which character did he portray in Your Honor?
Heo played the role of Kim Sang-hyuk. This violent character is portrayed as the eldest son of a businessman named Kim Kang-heon.
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