Somebody cast bringing the complex characters to life. The drama stars Kang Hye-jung as the brilliant but socially awkward lead, Kim Young-kwang as the enigmatic love interest, and Kim Soo-yeon in a pivotal role. Their performances are complemented by strong supporting actors, adding depth to the suspense-filled narrative. As the story unfolds, their interactions drive the plot forward, creating a compelling mix of mystery, tension, and emotional depth in this thrilling K-drama.
Table of Contents
Introduction

Somebody is a South Korean thriller drama that blends elements of suspense, mystery, and psychological intrigue. The show centers around Kim Young-kwang, who plays the enigmatic and charming lead, while Kang Hye-jung portrays a brilliant yet socially awkward app developer. The plot revolves around a social networking app, Somebody, which becomes central to a series of chilling events that intertwine the lives of its characters. As the story unfolds, hidden secrets, personal struggles, and deep connections come to light, keeping viewers on the edge of their seats. With its compelling storyline and stellar cast, Somebody is a drama that explores themes of human nature, technology, and the fine line between love and obsession.
Somebody Cast
Kang Hye-jung as Kim Sum
- Character Overview: Kang Hye-jung plays Kim Sum, the protagonist of Somebody. She is a brilliant but socially awkward app developer who has difficulty understanding emotions and social interactions. Sum creates the Somebody app, a social networking platform designed to help people make new connections. However, as the app becomes central to a series of mysterious events, Sum’s life spirals into chaos as she gets entangled in dark, dangerous situations.
- About Kang Hye-jung: Kang Hye-jung is a versatile actress known for her work in films like Oldboy and dramas such as Sungkyunkwan Scandal. In Somebody, her portrayal of a socially isolated yet intelligent character shows her ability to navigate complex emotional territory.
Kim Young-kwang as Lee Seung-jae
- Character Overview: Lee Seung-jae, played by Kim Young-kwang, is a key figure in the drama. He is charismatic, charming, and initially appears as a potential love interest for Kim Sum. However, as the story unfolds, his character takes on a more mysterious and unpredictable nature. Seung-jae’s involvement in the dark events surrounding the Somebody app draws him deeper into dangerous territory.
- About Kim Young-kwang: Kim Young-kwang is a well-known actor with a wide range of roles in both television and film. His roles in dramas like The Secret Life of My Secretary and Lookout have showcased his versatility. In Somebody, his portrayal of Seung-jae is both intriguing and captivating, keeping viewers guessing about his true intentions.
Kim Soo-yeon as Moon Ji-won
- Character Overview: Moon Ji-won, played by Kim Soo-yeon, is another central character in the drama. She is a close friend of Kim Sum and works as a detective. Ji-won’s role in the story becomes crucial as she investigates the mysterious events linked to the Somebody app. Her determination to uncover the truth and protect her friends adds an intense layer to the plot.
- About Kim Soo-yeon: Kim Soo-yeon is an emerging actress known for her roles in dramas such as The Penthouse and The King: Eternal Monarch. Her role in Somebody shows her ability to portray strong-willed, determined characters who bring both emotional depth and resilience to the story.
Kim Dong-young as Ki Eun
- Character Overview: Ki Eun, portrayed by Kim Dong-young, is a character who provides an interesting dynamic within the main group. His involvement in the story adds a layer of complexity, as his interactions with Kim Sum and the others slowly reveal more about his intentions and personal struggles.
- About Kim Dong-young: Kim Dong-young is a talented actor known for his roles in supporting characters, often adding depth to the storylines he participates in. His role in Somebody complements the main cast, offering a fresh perspective on the unfolding drama.
Kim Sun-young as Min Ji-young
- Character Overview: Min Ji-young, played by Kim Sun-young, is a significant supporting character who contributes to the investigation of the central mystery in Somebody. Her interactions with the main cast help to build suspense and intrigue as the plot develops.
- About Kim Sun-young: Kim Sun-young is an experienced actress with a long career in both television and theater. She is known for her roles in Vincenzo and The Penthouse. Her performance in Somebody adds an important layer to the emotional and narrative complexity of the drama.
Supporting Cast
Lee Jung-eun as Yoon Na-young
- Character Overview: Yoon Na-young, portrayed by Lee Jung-eun, is a significant figure in the storyline. As a character tied to the darker aspects of the plot, she adds complexity to the relationships around the main characters. Na-young’s involvement in key events builds the tension and mystery as the story progresses.
- About Lee Jung-eun: Lee Jung-eun is an accomplished actress with experience in both television and film, known for her roles in Parasite and The Uncanny Counter. Her role in Somebody adds both intrigue and suspense to the narrative, making her an important part of the cast.
Jung Soo-young as Jang Mi-ran
- Character Overview: Jang Mi-ran, played by Jung Soo-young, is a complex character who navigates her own struggles while being part of the larger narrative. As the story revolves around dangerous secrets and emotional conflicts, Mi-ran plays a crucial part in the web of relationships that keep the suspense high.
- About Jung Soo-young: Jung Soo-young has appeared in various K-dramas and films, earning recognition for her acting range. Her performance in Somebody provides emotional depth and adds tension to the show’s intricate plot.
Ahn Ji-hyun as Choi Jung-mi
- Character Overview: Choi Jung-mi, portrayed by Ahn Ji-hyun, plays another supporting character that intertwines with the main plot. While her role is not as central as the leads, her interactions with the primary cast help to develop the story’s deeper themes of trust, betrayal, and the effects of technology on personal relationships.
- About Ahn Ji-hyun: Ahn Ji-hyun is a rising actress known for her appearances in various dramas, where she often portrays characters that add an essential layer to the overall plot. Her role in Somebody further solidifies her growing presence in the industry.
Oh Jung-se as Kim Do-hee
- Character Overview: Kim Do-hee, portrayed by Oh Jung-se, is a character whose involvement in the drama contributes to the darker tones of the story. Do-hee’s role ties in with the emotional and psychological twists in the drama, adding to the tension as it develops.
- About Oh Jung-se: Oh Jung-se is an award-winning actor known for his roles in It’s Okay to Not Be Okay and Vincenzo. His acting skills are well-regarded for bringing emotional complexity to his characters, and his role in Somebody adds to the suspenseful atmosphere of the series.
Park Hee-von as Yoo Sun-young
- Character Overview: Yoo Sun-young, played by Park Hee-von, is another important supporting character in Somebody. Sun-young’s connection to the central events brings intrigue to the story, and her role helps explore the tension between love, obsession, and danger within the narrative.
- About Park Hee-von: Park Hee-von is known for her roles in K-dramas like The King: Eternal Monarch and Itaewon Class. She adds a dynamic presence to Somebody, with her performance helping to enhance the emotional and suspenseful layers of the plot.
Choi Sung-eun as Jang Eun-hee
- Character Overview: Jang Eun-hee, portrayed by Choi Sung-eun, is a supporting character who has a close relationship with the main characters, adding to the emotional complexity of the storyline. As the events unfold, her character helps to push the narrative in unexpected directions.
- About Choi Sung-eun: Choi Sung-eun is a talented actress known for her appearances in both television and theater. Her performance in Somebody brings a grounded and relatable presence to the drama, complementing the main cast’s work.
Conclusion
In conclusion, Somebody is a captivating South Korean thriller that expertly blends suspense, mystery, and psychological drama. The main cast, led by Kang Hye-jung as Kim Sum and Kim Young-kwang as Lee Seung-jae, deliver powerful performances that keep viewers on the edge of their seats. Their dynamic interactions and emotional depth propel the complex narrative, filled with unexpected twists and dark secrets.
The supporting cast, including actors like Lee Jung-eun, Jung Soo-young, and Oh Jung-se, adds significant layers to the drama, enriching the story and providing crucial character development that amplifies the overall tension. Each actor brings a unique element to the series, whether through mystery, emotional complexity, or intrigue, making the ensemble cast integral to the drama’s success.
Andante Cast & Their Role (2017)
FAQs
Who plays the lead role of Kim Sum in Somebody?
Kang Hye-jung plays the lead role of Kim Sum, a socially awkward app developer who becomes entangled in a series of dark events involving her app, Somebody.
What character does Kim Young-kwang play in Somebody?
Kim Young-kwang portrays Lee Seung-jae, a charismatic but mysterious figure whose involvement in the dangerous events surrounding the Somebody app raises suspicions and adds layers of intrigue to the drama.
What is Kang Hye-jung known for besides Somebody?
Kang Hye-jung is known for her roles in films like Oldboy and dramas such as Sungkyunkwan Scandal. She has a diverse acting career and is admired for her ability to portray complex and emotionally nuanced characters.
Who plays Moon Ji-won in Somebody?
Kim Soo-yeon plays Moon Ji-won, a detective and Kim Sum’s close friend, who investigates the mysterious events surrounding the Somebody app.
What role does Kim Soo-yeon play in Somebody?
Kim Soo-yeon plays Moon Ji-won, a dedicated and determined detective who works to uncover the truth behind the unsettling incidents linked to the app. Her investigative efforts play a key role in the drama’s unfolding mystery.
Who is part of the supporting cast in Somebody?
The supporting cast includes Lee Jung-eun as Yoon Na-young, Jung Soo-young as Jang Mi-ran, and Oh Jung-se as Kim Do-hee. These characters help deepen the plot, building emotional tension and contributing to the darker side of the story.
Is Kim Young-kwang known for other dramas or films?
Yes, Kim Young-kwang has appeared in various popular K-dramas like The Secret Life of My Secretary and Lookout. He is known for his charm and versatility in both romantic and thriller roles.
Has Kang Hye-jung appeared in other dramas?
While Kang Hye-jung is more famous for her film roles, she has also appeared in notable dramas, including Sungkyunkwan Scandal and A Wife’s Credentials. Her role in Somebody marks a return to the small screen in a complex, suspense-driven character.
What is the significance of the supporting cast in Somebody?
The supporting cast adds emotional depth, complexity, and mystery to the storyline. Their roles help expand on the central themes of trust, obsession, and the dangerous consequences of technology, while also providing necessary interactions that enrich the main plot.
Is Somebody Kang Hye-jung’s first role in a thriller?
No, Kang Hye-jung has previously appeared in films with darker and more intense themes, such as Oldboy. However, Somebody marks her return to a suspenseful and thriller-driven storyline in a leading role.
What other K-dramas has Kim Soo-yeon been in?
Kim Soo-yeon is known for her roles in popular K-dramas such as The Penthouse and The King: Eternal Monarch. Her work in Somebody continues to build her reputation as a talented actress who can handle intense, emotional roles.
Who is the main antagonist in Somebody?
While there is no clear-cut antagonist, Lee Seung-jae, portrayed by Kim Young-kwang, carries an air of mystery and potential danger as his true intentions unfold throughout the drama. His character plays a pivotal role in the dark and suspenseful nature of the story.