Jung In-sun is a South Korean actress who began her career as a child performer in the mid-1990s and has steadily built a reputation for natural, versatile acting across television and film. Known for roles in popular dramas such as Welcome to Waikiki, My Secret Terrius, and Psychopath Diary, she has successfully transitioned from child star to leading adult actress. As of 2026 she continues to appear in both mainstream and shorter-form projects while maintaining a consistent presence in the industry.
Jung In-sun was born on 25 April 1991 in Seoul, South Korea (some sources note Goyang, Gyeonggi Province as a childhood residence). As she is 35 years old. She is South Korean by nationality, and her zodiac sign is Taurus.
Personal Details
| Full Name | Jung In-sun (정인선 / 鄭仁仙) |
| Profession | Actress |
| Date of Birth | 25 April 1991 |
| Age | 35 |
| Birthplace | Seoul, South Korea |
| Nationality | South Korean |
| Friends | Jung Eun-ji (정은지) |
| Zodiac Sign | Taurus |
| Current Residence | South Korea |
| Qualification | Sejong University – Film Arts |
Career
Jung In-sun debuted in 1996 at age five in the SBS drama You (Dangsin). She gained early recognition through the long-running sitcom Soonpoong Clinic (1998–2000) as Lee Se-mina and appeared in children’s programming and dramas such as Magic Kid Masuri (2002) and a minor role in Jewel in the Palace (Dae Jang Geum, 2003). She also had a brief appearance in Bong Joon-ho’s film Memories of Murder (2003).
After focusing on studies for a period, she returned to acting as an adult. Notable mid-career works include Naked Fireman (2017), her first leading role, followed by Welcome to Waikiki (2018) and My Secret Terrius (2018), the latter earning her an Excellence Award at the MBC Drama Awards. She further expanded her range with Psychopath Diary (2019–2020) and later projects such as Let Me Be Your Knight (2021), DNA Lover (2024), and Our Golden Days (2025), for which she received recognition at the KBS Drama Awards.
She has also appeared in films including Han Gong-ju (2014) and My Heart Puppy (2023), and has taken on variety work, notably on Baek Jong-won’s Alley Restaurant, winning awards at the SBS Entertainment Awards.
Physical Appearance
| Height | 158–160 cm (approximately 5 feet 2–3 inches) |
| Weight | Approximately 40–47 kg (88–104 lbs) |
| Eye Color | Dark brown |
| Hair Color | Black |
| Body Type | Slim |
| Blood Type | O |
Drama List
Selected Television Dramas
- Soonpoong Clinic (SBS, 1998–2000) – Lee Se-mina
- Magic Kid Masuri (KBS2, 2002) – Han Se-eun
- Jewel in the Palace (Dae Jang Geum, MBC, 2003) – Court lady
- Naked Fireman (KBS2, 2017) – Han Jin-ah
- Welcome to Waikiki (JTBC, 2018) – Han Yoon-ah
- My Secret Terrius (MBC, 2018) – Go Ae-rin
- Psychopath Diary (tvN, 2019–2020) – Shim Bo-kyung
- Let Me Be Your Knight (SBS, 2021–2022) – In Yoon-joo / Kang Sun-joo
- DNA Lover (TV Chosun, 2024) – Han So-jin
- Our Golden Days (KBS2, 2025) – Ji Eun-o
Selected Films
- Memories of Murder (2003) – Ending girl
- Han Gong-ju (2014) – Eun-hee
- Gyeongju (2014) – Jo Hyun-jung
- My Heart Puppy (2023) – Seong-gyeong
Social Media Presence
Jung In-sun is active on Instagram under the handle associated with @jung_insun.gram, where she shares work-related and personal updates. She has also used other platforms in the past. Follower counts fluctuate and are best checked directly on the accounts.
FAQs
How old is Jung In-sun?
She is 35 years old (born 25 April 1991).
When did Jung In-sun debut?
She debuted as a child actress in 1996 in the SBS drama You.
What are Jung In-sun’s most notable dramas?
Popular works include Welcome to Waikiki, My Secret Terrius, Psychopath Diary, and more recent projects such as DNA Lover and Our Golden Days.
Is Jung In-sun married?
No. She is unmarried as of 2026 and has no publicly confirmed children.
What awards has Jung In-sun won?
She has received excellence awards at the MBC Drama Awards (2018), SBS Entertainment Awards (2019 and 2020), and recognition at the KBS Drama Awards (2025), among others.
What is Jung In-sun’s educational background?
She graduated from Sejong University with a degree in Film Arts.