1. Warning: Do Not Play - Frame of Death (2019)
Frame of Death tells the story of a female director, Mi Jung, who is determined to create the most realistic horror film of all time. With a looming deadline and no final script, she encounters three students who share a story about a deadly fire. The incident is eventually turned into a film, but as it premieres, strange deaths occur without explanation. The movie is then banned, and Mi Jung embarks on a quest to uncover the truth behind the eerie events, despite being warned by those who witnessed them. Ignoring their advice, she remains determined to find out why the film was permanently banned.
Seo Ye Ji plays the role of Mi Jung, a courageous woman whose cold, resolute demeanor transforms into confusion and terror. Her portrayal, though from a less experienced actress, is impressive—particularly her ability to convey emotion through her eyes and facial expressions.
Frame of Death offers strong visuals and effects that create a realistic atmosphere for the audience, though it could benefit from more intense horror scenes to further engage viewers.
IMDb Rating: 6.5
Audience Rating: 46%

2. Lawless Lawyer (2018)
Lawless Lawyer follows Bong Sang Pil (Lee Jun Ki), a former gang member who has left his criminal past behind to become a brilliant lawyer. Driven by the desire to avenge his late mother, he uses his deep knowledge of the law to find its loopholes. He crosses paths with Han Jae Yi (Seo Ye Ji), a passionate and impulsive lawyer who is briefly suspended for assaulting someone. Seo Ye Ji's character, a steadfast defender of justice, gains prominence after her breakout role in *It’s Okay to Not Be Okay*. The chemistry between Seo Ye Ji and Lee Jun Ki in this film was truly remarkable, and their collaboration created a memorable pairing.
Lawless Lawyer became a huge hit during its airing, with high ratings and positive feedback from audiences, particularly for its thrilling action scenes.
IMDb Rating: 7.6

3. Save Me (2017)
Save Me revolves around Sang Mi (Seo Ye Ji) and her family as they move to a new town. Their lives take a dark turn after Sang Mi's brother is abused and driven to suicide. In the new town, they encounter a religious cult, Goseonwon, which initially attracts them with its promises. Over time, the family becomes deeply indoctrinated, and Sang Mi's life turns into a nightmare as she is subjected to terrifying rituals. Eventually, she reconnects with an old friend, Han Sang Hwan, who helps her escape the cult’s grip.
Seo Ye Ji takes on a challenging role in Save Me, requiring her to isolate herself for an extended period to authentically portray her character. Her dedication to the role is commendable, earning her praise from audiences during the series' airing.
Save Me
IMDb Rating: 8.0

4. Seondal: The Man Who Sells the River (2016)
Seondal: The Man Who Sells the River follows Kim Seon Dal, a charismatic and witty con artist who leads a gang specializing in swindling the rich and redistributing the wealth to those in need. His schemes are clever and always successful. Seon Dal plans to deceive a beautiful woman, Gyu Young (Seo Ye Ji), but as the plot unfolds, they develop feelings for each other. The film is filled with humor, lightheartedness, and plenty of entertainment value, and it surprises viewers with its solid storyline and outstanding performances from the cast.
Although Seo Ye Ji plays the female lead, her screen time is limited, and her romance with Seon Dal remains ambiguous. By the end of the film, it’s unclear whether their relationship is real or part of Seon Dal’s master plan for revenge.
Seondal: The Man Who Sells the River offers a visually stunning period setting with meticulous costume design and carefully crafted scenes. However, it falls short in terms of building tension, lacking a truly climactic moment in the story.
IMDb Rating: 6.5

5. Hwarang: The Poet Warrior Youth (2016)
Hwarang is a South Korean historical drama that explores the passions and youthful love of a group of young warriors during the Silla Kingdom over 1500 years ago. The story revolves around six young men, each with distinct personalities, whose individual journeys contribute to the show's success and depth.
Seo Ye Ji plays Princess Sook Myung, who is deeply in love with Hwarang Sun Woo (Park Seo Joon). The drama, which gained widespread attention even before its release, features an ensemble cast that captured the audience’s hearts.
Hwarang beautifully portrays the heroic history of the Korean people, blending poignant moments of war and sacrifice with lighthearted romantic subplots that add a touch of sweetness to the narrative. The film strikes a balance between historical drama and romance, making it an engaging experience for viewers.
IMDb Rating: 8.0

6. Last: The Final Episode (2015)

Last is a thriller that follows the story of Jang Tae Ho (Yoon Kye Sang), a man who falls from financial success to homelessness. Determined to uncover the mistakes that led to his downfall, he inadvertently crosses paths with a dangerous underground organization, triggering a series of intense events.
Seo Ye Ji stars as Shin Na Ra, a nurse caught in the chaos. While her character is significant, the focus on the male-driven conflict leaves her role somewhat underdeveloped, resulting in a performance that, though earnest, doesn’t leave a lasting impact on the audience. Nevertheless, this film marks an important stepping stone in Seo Ye Ji’s career, paving the way for stronger roles in the future.
IMDb Rating: 8.0

8. Potato Star - Ngôi Sao Khoai Tây (2013)
Potato Star is a comedy centered around a multi-generational family living together. The story begins when a meteorite shaped like a potato crashes to Earth, bringing unexpected changes to their lives. During this time, the Noh family reacts in amusingly odd ways, choosing to cope with the disaster in absurd, laugh-out-loud situations instead of working together for survival.
Seo Ye Ji plays one of the quirky family members, bringing humor and charm to her role as a love-struck character who is constantly shifting between emotions. Her character’s romantic journey leads her into the arms of a sweet but clueless artist. The show features an ensemble cast that gained strong attention from fans, contributing to its overall success.
As a family comedy, Potato Star captures the charm of everyday life through the hilarious troubles of its characters, making it a popular hit that keeps audiences laughing.
IMDb Rating: 8.1

9. Recalled - Triệu Hồi (2021)
Recalled is a suspenseful thriller about Soo Jin, who wakes up after an accident with no memory of her past. Thankfully, her husband Ji Hoon takes excellent care of her during her recovery. However, things take a strange turn when she returns to their apartment. There, she begins to experience vague, unsettling flashes of her past. The eerie sensations push her to uncover the truth behind her lost memories and her mysterious husband.
Seo Ye Ji, paired with Kim Kang Woo, delivers a standout performance, capturing the deep emotions of Soo Jin's character. Her portrayal draws the audience in, evoking both empathy and confusion as Soo Jin struggles with her disorienting reality.
The movie keeps viewers on edge with its gripping and unpredictable storyline. While some twists may leave the audience feeling lost, all the questions are answered by the final episodes, and the well-executed soundtrack elevates the intensity of the plot.
IMDb Rating: 6.7

10. It’s Okay to Not Be Okay (2020)

It’s Okay to Not Be Okay is a heartfelt drama about Moon Gang Tae (Kim Soo Hyun), a healthcare worker in a psychiatric ward who lives with his autistic older brother. He struggles to balance taking care of his brother and his own well-being, until he crosses paths with Go Moon Young (Seo Ye Ji), a children’s book author with a complex and troubled personality. Both characters, wounded by their pasts, find solace and healing in each other’s company.
The drama captivated audiences with the stunning visuals of its lead duo, Seo Ye Ji and Kim Soo Hyun. Seo Ye Ji, in particular, stood out for her striking appearance and her brilliant portrayal of Go Moon Young, capturing the deep psychological layers of the character.
While the show received some criticism regarding its plot, it succeeded in delving into dark psychological themes, such as antisocial personality disorder and obsessive-compulsive behaviors. With a satisfying conclusion for the main characters, the show also ensured that even the supporting roles had their own fulfilling endings.
IMDb Rating: 8.6