6 essential Seol In-ah K-dramas that prove she can handle any role

South Korean actress Seol In-ah has become one of the industry’s most versatile performers, moving easily between breezy romantic comedies and emotionally heavy historical dramas. Instead of staying within a single on-screen persona, she has built a filmography defined by range, taking on everything from long-running network series to sleek streaming originals. Across each project, her career reflects a steady evolution: one that has expanded both her acting repertoire and her visibility within Korea’s increasingly global entertainment industry.

‘Oh My Ghost Clients’ (2025)

Seol In-ah shifts into high-concept fantasy legal comedy as a pragmatic, sharp-tongued operational brain managing a chaotic legal team that represents deceased workers

In this fantasy legal comedy, the narrative follows a jaded, aimless labor attorney who gains the supernatural ability to see spirits following a near-fatal accident. Forced into a contract with a mysterious entity to stay alive, he begins representing deceased workers to resolve unresolved workplace grievances and industry negligence. Seol In-ah stars as Na Hee-joo, the sharp-tongued, pragmatic sister-in-law of the attorney who essentially acts as the operational brain of the makeshift legal team. She performs alongside co-stars Jung Kyung-ho, who plays the eccentric attorney Noh Moo-jin, and Cha Hak-yeon, who portrays an opportunistic online content creator. The 10-episode series focuses heavily on contemporary social issues and systemic labor malpractice, and international audiences can stream it on Netflix, Viu, and KOCOWA+.

Don’t miss: A look at the star-studded cast of Yeon Sang-ho’s ‘Colony’

‘Twinkling Watermelon’ (2023)

Seol In-ah tackles a dual role as both a detached, icy 1990s high school cellist and her own future daughter in this temporal coming-of-age drama

This fantasy coming-of-age drama centres on a CODA (child of deaf adults) boy with a talent for music who accidentally travels back in time to the year 1995. There, he encounters the youth versions of his parents and forms a band called Watermelon Sugar. In this production, Seol In-ah takes on a dual role, primarily portraying Choi Se-kyung, a refined and seemingly unapproachable high school cellist known as the goddess of the arts high school, as well as Se-kyung's future daughter, On Eun-yoo. She shares the screen with main co-stars Ryeoun, Choi Hyun-wook, and Shin Eun-soo. The drama balances themes of familial reconciliation, youthful ambition, and temporal paradoxes. The series is available for streaming on Viki and Viu.

‘Business Proposal’ (2022)

Seol In-ah embodies the fiercely independent, elite marketing leader Jin Young-seo in a production that serves as a masterclass in subverting corporate romantic comedy tropes

Based on a popular webtoon, this romantic comedy functions as a deliberate satire of conventional corporate romance tropes. The plot originates from a chaotic blind date substitution that leads to a series of misunderstandings between a food researcher and her company's chief executive. Seol In-ah plays Jin Young-seo, a wealthy marketing team leader who rejects arranged marriages in pursuit of genuine independence and romantic autonomy. Her narrative arc heavily features her direct relationship with the chief executive's chief secretary, played by Kim Min-kyu, alongside main leads Ahn Hyo-seop and Kim Sejeong. The performance amplified her profile among international streaming audiences, and the series remains available globally on Netflix.

‘Oasis’ (2023)

Navigating decades of economic and political upheaval, Seol In-ah delivers a commanding performance as a headstrong cinema owner's daughter turned powerful film executive trying to salvage her family's legacy

An Excellence Award at the 2023 KBS Drama Awards cemented Seol In-ah as a formidable lead in this heavy, multi-decade period piece. Alongside co-stars Jang Dong-yoon and Choo Young-woo, she commands the screen as Oh Jung-shin, an iron-willed woman fighting to save her family's legacy by transitioning from a cinema owner's daughter into a sharp film distribution executive. The backdrop is turbulent, tracking three youths forced onto wildly diverging paths by the economic upheaval and aggressive political crackdowns of 1980s and 1990s South Korea. For international viewers looking to dive into this intense exploration of class division and fractured romance, the entire series is available to stream via Viki and KOCOWA+.

‘Beautiful Love, Wonderful Life’ (2019–2020)

Seol In-ah portrays an optimistic civil service examinee whose bright disposition masks deep-seated psychological trauma from her past

Spanning 100 half-hour episodes, this massive weekend broadcast earned Seol In-ah the Excellence Award for Actress in a Serial Drama at the 2019 KBS Drama Awards. She serves as the structural anchor of the production, portraying Kim Cheong-ah, an aspiring police officer whose optimism masks deep-seated trauma from her school years. While she studies for the civil service exam, her life intertwines with characters played by Kim Jae-young, Jo Yoon-hee, and Yoon Park. Rather than focusing on a single romance, the format allows a broad examination of institutional corruption, modern societal stress, and the messy realities of family dynamics. Global audiences can watch the multi-layered narrative unfold seamlessly on Viki and KOCOWA+.

‘Sunny Again Tomorrow’ (2018)

This expansive daily drama showcases Seol In-ah as a resilient underdog who bypasses corporate gatekeeping to establish an independent fashion label

Faced with constant dismissal from part-time jobs, a resilient high school graduate bypasses corporate gatekeeping altogether to launch an independent fashion label. This is the premise of the 121-episode daily melodrama that secured Seol In-ah her very first Best New Actress accolade at the KBS Drama Awards. Sharing the studio with a main cast that includes Jin Ju-hyung, Ha Seung-ri, and Lee Chang-wook, she takes centre stage as Kang Ha-nee, an underdog fighting financial instability in the modern job market. To see the performance that originally launched her career into definitive lead territory, viewers can access the complete run on the KBS World streaming platform.

NOW READ

Never give up: 8 K-dramas that prove love deserves a second chance

From deadlines to heartlines: the ultimate guide to the best boss–secretary romance K-dramas

11 must-watch K-dramas that never lose the plot from start to end

6 essential Seol In-ah K-dramas that prove she can handle any role