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10 Things to Know About Jung Hae-in, the Leading Star of Netflix’s ‘Our Sticky Love'

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Lance Joseph Martinez

<p>If there is one Korean drama series that has truly dominated 2026 so far, <strong><em>Our Sticky Love</em></strong> is undoubtedly among the top choices.</p><p>The South Korean romantic comedy is currently among <strong>Netflix’s </strong>top TV shows globally, and it is easy to see why. Beyond its engaging writing and feel-good storyline, the series has drawn audiences in through the unexpectedly captivating chemistry between its lead stars<strong>, Jung Hae-in </strong>and <strong>Ha Young</strong>. Their on-screen partnership has quickly won over viewers and sparked plenty of conversations among fans around the world.</p><div><br/></div><div style="text-align:center"><span class="fr-img-caption fr-fic fr-dib" style="width:900px;display:block"><span class="fr-img-wrap"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/1786626925964[image] - 6628175.jpg" style="width:900px" class="fr-fic fr-dib"/><span class="fr-inner">Photo from @holyhaein</span></span></span></div><div style="text-align:center"><span class="fr-img-caption fr-fic fr-dib" style="width:900px;display:block"><span class="fr-img-wrap"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/1786626957383[image] - 8486924.jpg" style="width:900px" class="fr-fic fr-dib"/><span class="fr-inner">Photo from @holyhaein</span></span></span></div><div><br/></div><p>Of course, many viewers are also swooning over Jung Hae-in’s character,<strong> Jang Tae-ha.</strong> In the series, Tae-ha is a former youth boxing champion and former gang member who is now working as a boxing coach in a small town. Behind his tough exterior is a layered character whose story continues to unfold as the series progresses.</p><p>As audiences continue to follow Jang Tae-ha’s journey in <em>Our Sticky Love</em>, it is the perfect time to get to know more about Jung Hae-in, the talented actor behind the fan-favorite character. Since the romantic comedy’s release, Jung Hae-in has once again dominated online conversations, with viewers praising his charm, versatility, and the warmth he brings to every role.</p><div><br/></div><div style="text-align:center"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/1787184954360765297938_18613936891005560_319514057777597704_n.jpeg" class="fr-fic fr-dib" style="width:900px"/></div><div><br/></div><div><strong>He is 38 years old.<br/></strong></div><p>Born on April 1, 1988, Jung Hae-in is 38 years old and hails from Seoul, South Korea, where he was born and raised alongside his family.</p><p>Beyond his acting projects, Jung Hae-in also stays connected with fans by regularly sharing updates, photos, and glimpses of his life through his personal Instagram account, <a href="https://www.instagram.com/holyhaein?utm_source=ig_web_button_share_sheet&amp;igsh=ZDNlZDc0MzIxNw=="><strong>@holyhaein.</strong></a></p><div><br/></div><div><strong>He comes from a wealthy and well-established family.</strong></div><p>While Jung Hae-in has built his acting career through his own hard work and dedication, he also comes from a well-established and financially comfortable family background in South Korea. His family has strong ties to the medical field, with his parents reportedly owning and operating a hospital.</p><p>Beyond his family’s professional background, Jung Hae-in also has a notable historical connection. He is reportedly a direct descendant of<strong> Jeong Yak-yong,</strong> one of the most influential thinkers, philosophers, and scientists of the <strong>Joseon Dynasty</strong>, giving the actor a distinguished lineage that extends beyond the entertainment industry.</p><div><br/></div><div style="text-align:center"><span class="fr-img-caption fr-fic fr-dib" style="width:900px;display:block"><span class="fr-img-wrap"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/1786627028724[image] - 6619473.jpg" style="width:900px" class="fr-fic fr-dib"/><span class="fr-inner">Photo from @holyhaein</span></span></span></div><div style="text-align:center"><br/></div><div><strong>He holds a degree in Broadcasting Entertainment.<br/></strong></div><p>During his guest appearance on the variety show<strong><em> Funding Together,</em></strong> Jung Hae-in opened up about his original career plans, revealing that he had initially intended to study biotechnology and pursue a career in the field after graduation.</p><p>However, without his parents’ knowledge, he chose to take a different path and applied to <strong>Pyeongtaek University, </strong>where he majored in <strong>Broadcasting Entertainment</strong>. His decision ultimately led him closer to the entertainment industry, as he was scouted by an entertainment agency while attending the university. He eventually completed his degree, setting the stage for his career as an actor.</p><div><br/></div><div><strong>He lost 12–13 kilograms during his military service.<br/></strong></div><p>At the age of 21, Jung Hae-in made the decision to complete his mandatory military service early, enlisting as an active-duty soldier in the Army before fully pursuing his acting career.</p><p>In an interview with <strong></strong>Sports Chosun<strong></strong>, Jung Hae-in opened up about his time in the military, revealing that he gained considerable weight in his early 20s due to his love for food. However, he eventually used his time in the military to focus on his fitness and successfully lost around 12 - 13 kilograms.</p><p>“So, when I became a sergeant, I did 5,000 jump-rope exercises a day. Military meals are high in sodium and calories, so I ate less and mainly had bananas or apples. I lost all the weight over three to four months,” he revealed.</p><div><br/></div><div style="text-align:center"><span class="fr-img-caption fr-fic fr-dib" style="width:900px;display:block"><span class="fr-img-wrap"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/1786627086284[image] - 6512869.jpg" style="width:900px" class="fr-fic fr-dib"/><span class="fr-inner">Photo from @holyhaein</span></span></span></div><div><br/></div><div><strong>He made his first entertainment appearance in a music video.<br/></strong></div><p>As an artist under<strong> FNC Entertainment</strong>, Jung Hae-in’s first appearance in the entertainment industry came on July 26, 2013, when he featured in the music video for<strong> “Moya” </strong>by <strong>AOA Black.</strong></p><p>AOA Black was a subunit of FNC Entertainment’s girl group <strong>AOA</strong>, formed in 2013 and consisting of<strong> Choa, Mina, Jimin, Yuna, </strong>and <strong>Youkyung. </strong>Jung’s appearance in the “Moya” music video marked one of his earliest steps into the entertainment industry, coming shortly before he officially launched his acting career.</p><div><br/></div><div style="text-align:center"><iframe width="925" height="525" src="https://www.youtube.com/embed/u1vE2mxtCIg?si=w7u2ZzL9rEcW8cL4" title="YouTube video player" frameBorder="0" allowfullscreen="" spellcheck="false"></iframe><br/></div><div><br/></div><div><strong>He began his acting career after completing his military service.<br/></strong></div><p>After completing his military service, Jung Hae-in signed with his current agency, FNC Entertainment, after graduating from university. He also made history as the agency’s first actor to be recruited as a rookie.</p><p>Jung Hae-in officially began his acting career at the age of 26, making his television debut in the 2014 series<strong><em> Bride of the Century</em></strong><em></em><em>.</em><em></em><strong><em> </em></strong>He went on to appear in the independent film <strong><em>The Youth</em></strong> that same year, before landing a role in the historical drama<strong><em> The Three Musketeers</em></strong><em></em><em>. </em><em></em><strong><em></em></strong></p><div><strong></strong><br/></div><div style="text-align:center"><br/></div><div style="text-align:center"><span class="fr-img-caption fr-fic fr-dib" style="width:900px;display:block"><span class="fr-img-wrap"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/1786627124165[image] - 7997435.jpg" style="width:900px" class="fr-fic fr-dib"/><span class="fr-inner">Photo from @holyhaein</span></span></span></div><div><br/></div><div><strong>He experienced his breakthrough in 2016.<br/></strong></div><p>After making his acting debut, Jung Hae-in spent the next few years taking on supporting roles and making cameo appearances in various television series and films from 2014 to 2016. One of his most memorable early appearances came in <strong><em>Guardian: The Lonely and Great God</em></strong><em></em><em>,</em><em></em><strong><em></em></strong> where he played Kim Go-eun’s character’s first love.</p><p>Jung’s breakthrough came in 2017 with the fantasy romance drama <strong><em>While You Were Sleeping</em></strong>. His portrayal quickly captured the attention of viewers, propelling him into the spotlight and earning him a surge in popularity. His rising fame was reflected online as he reportedly became the No. 1 most-searched term on Korea’s leading portal site, <strong></strong>Naver<strong></strong>.</p><div><br/></div><div style="text-align:center"><span class="fr-img-caption fr-fic fr-dib" style="width:960px;display:block" width="960"><span class="fr-img-wrap"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/1787185412507654998417_18088541327187183_578300466391472819_n.jpg" style="width:960px" class="fr-fic fr-dib" width="960"/><span class="fr-inner">Photo from @holyhaein</span></span></span></div><div><strong></strong></div><div><br/></div><div><strong>He landed his first leading role in 2018.<br/></strong></div><p>After taking on several minor and supporting roles early in his career, Jung Hae-in reached another major milestone when he was cast as the male lead in the romance drama<strong> <em>Something in the Rain</em>,</strong> opposite Son Ye-jin. The series became a turning point for the actor, and following its successful run, Jung Hae-in saw his popularity grow significantly across Asia.</p><p>In the drama, Jung Hae-in portrayed Seo Jun-hui, a character designer at a video game company who returns to South Korea after spending three years working in the United States.</p><p>Upon returning home, he reconnects with Jin-ah, his older sister’s longtime best friend. As Jun-hui helps Jin-ah navigate several difficult situations, their friendship gradually develops into a romantic relationship, setting the stage for the drama’s central love story.</p><div><br/></div><div style="text-align:center"><span class="fr-img-caption fr-fic fr-dib" style="width:900px;display:block"><span class="fr-img-wrap"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/1786627224944[image] - 1694447.jpg" style="width:900px" class="fr-fic fr-dib"/><span class="fr-inner">Photo from @holyhaein</span></span></span></div><div><br/></div><div><strong>He headlined <em>D.P.</em>, one of his most successful series.<br/></strong></div><p>In 2021, Jung Hae-in took on a new challenge with Netflix’s military action series<strong><em> D.P.</em></strong>, where he played a Military Police soldier tasked with tracking down military deserters. He starred alongside<strong> Koo Kyo-hwan</strong>,<strong> Kim Sung-kyun</strong>,<strong> </strong>and <strong>Son Suk-ku</strong>, with the series earning widespread critical acclaim for its gripping storyline and performances.</p><p>The success of <em>D.P</em>. led to a second season, with Jung Hae-in reprising his role in<em> D.P. 2</em> in 2023. The series continued to receive strong reviews and became one of the most highly regarded Korean drama productions on Netflix.</p><div><br/></div><div style="text-align:center"><span class="fr-img-caption fr-fic fr-dib" style="width:900px;display:block"><span class="fr-img-wrap"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/1786627423546[image] - 484659.jpg" style="width:900px" class="fr-fic fr-dib"/><span class="fr-inner">Jung Hae-in for &#x27;D.P. 2&#x27; | Photo from @holyhaein</span></span></span></div><div><br/></div><div><strong>He is an award-winning actor.<br/></strong></div><p>Throughout his acting career, Jung Hae-in has earned recognition from some of South Korea’s most prestigious entertainment award ceremonies, collecting at least 20 acting awards and honors for his performances across television and film.</p><p>Among his notable accolades are the<strong> 2018 Baeksang Arts Awards’ Most Popular Actor award</strong> for<em> Prison Playbook</em> and the <strong>2020 Grand Bell Awards’ Best New Actor award</strong> for<strong><em> Tune in for Love</em></strong>. He also received the <strong>2019 MBC Drama Awards’ Top Excellence Award for an Actor in a Wednesday-Thursday Drama</strong> for <em><strong>One Spring Night.</strong></em></p><p>His success continued with<em> D.P., </em>earning him the<strong> 2022 Blue Dragon Series Awards’ Popular Star Award</strong> as well as the<strong> Best Actor in a Leading Role</strong> honor at the <strong>2022 Asian Academy Creative Awards.</strong> More recently, Jung was recognized at the<strong> 2024 Blue Dragon Film Awards</strong>, where he won<strong> Best Supporting Actor</strong> for <strong><em>I, the Executioner</em></strong><em></em><em>,</em><em></em><strong><em> </em></strong>further highlighting his versatility across both television and film.</p><div><br/></div><div style="text-align:center"><span class="fr-img-caption fr-fic fr-dib" style="width:900px;display:block"><span class="fr-img-wrap"><img src="https://od2-image-api.abs-cbn.com/prod/editorImage/1786627242264[image] - 6445475.jpg" style="width:900px;display:block" class="fr-fic fr-dib"/><span class="fr-inner">Photo from @holyhaein</span></span></span></div><div style="text-align:center"><br/></div><p>Lead photos from<strong> @holyhaein</strong></p>

<p>Get to know Jung Hae-in, the star behind fan-favorite Jang Tae-ha in "<i>Our Sticky Love</i>," as his handsome looks, charm, versatility, and warmth continue to captivate audiences.</p>

Get to know Jung Hae-in, the star behind fan-favorite Jang Tae-ha in " Our Sticky Love ," as his handsome looks, charm, versatility, and warmth continue to captivate audiences.

10 Things to Know About Korean Heartthrob Jung Hae-in

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10 Things to Know About Korean Heartthrob Jung Hae-in

Lance Joseph Martinez

Published August 20, 2026 08:25 AM PHT

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