Adamas Cast Get to know the actors bringing these intense characters to life and the roles they play in this critically acclaimed series.
Table of Contents
Introduction

Adamas is a captivating thriller that seamlessly combines mystery, drama, and psychological tension. Set against a backdrop of intrigue, the show delves into complex characters and a gripping narrative that keeps viewers on the edge of their seats. At the heart of its success lies a stellar cast, each actor bringing depth, emotion, and authenticity to their respective roles.
From the sharp and mysterious protagonist to the cunning and layered supporting characters, the ensemble of Adamas is pivotal in delivering a narrative filled with twists and turns. The chemistry among the cast members not only elevates the suspenseful atmosphere of the show but also provides moments of emotional depth and vulnerability.
Adamas Cast
Ji Sung as Ha Woo-shin / Song Soo-hyun
Ji Sung plays the dual role of Ha Woo-shin and Song Soo-hyun, twin brothers who find themselves entangled in a web of mystery and intrigue. Ha Woo-shin is a successful, sharp-witted writer who uses his intelligence to uncover truths, while Song Soo-hyun is a prosecutor with a strong sense of justice. Ji Sung, known for his versatility in roles ranging from intense dramas to light-hearted comedies, brings a deep emotional range to both characters. His portrayal of the twin brothers, each facing different challenges but bound by a shared fate, is a highlight of the series.
Lee Soo-kyung as Kim Seo-hee
Lee Soo-kyung plays Kim Seo-hee, a determined and skilled journalist who crosses paths with the brothers. As an investigative reporter, she plays a crucial role in helping uncover the dark secrets at the heart of Adamas. Lee Soo-kyung brings a sharp, assertive energy to the character, making Kim Seo-hee both empathetic and fearless. Her portrayal of a woman who is constantly battling against societal norms and corruption adds a strong, independent presence to the show.
Heo Sung-tae as Choi Tae-sung
Heo Sung-tae portrays Choi Tae-sung, a complex and morally ambiguous character whose motives remain unclear for much of the series. As a businessman with ties to the criminal underworld, Heo Sung-tae delivers a chilling performance, making Choi a character you can never quite trust. His ability to shift between charming and sinister keeps viewers on edge, contributing significantly to the show’s sense of suspense.
Oh Jung-se as Joo Hyun
Oh Jung-se plays Joo Hyun, a character whose loyalty and integrity are tested as the story unfolds. Known for his ability to bring both lightness and depth to his roles, Oh Jung-se adds a layer of complexity to Joo, who navigates a world where moral lines are constantly blurred. His performance is a delicate balance of vulnerability and strength, providing moments of both humor and heartbreak.
Park Ji-hyun as Lee Mi-hyun
Park Ji-hyun plays Lee Mi-hyun, an enigmatic and intelligent figure with her own hidden agenda. As a figure deeply embedded in the world of high-stakes power, Lee Mi-hyun’s character is both alluring and unpredictable. Park Ji-hyun’s performance brings an air of mystery to the role, keeping viewers guessing about Mi-hyun’s true intentions and loyalties.
Supporting Cast
Kim Yong-ji as Hwang Min-ji
Kim Yong-ji plays Hwang Min-ji, a key character whose relationship with Ha Woo-shin and Song Soo-hyun adds emotional depth to the story. A close friend and confidant, Hwang Min-ji’s loyalty to the brothers is unwavering, but her own backstory and personal struggles make her a multidimensional character. Kim Yong-ji’s portrayal of Min-ji allows her to shine even in a supporting role, and her presence adds a sense of groundedness to the otherwise high-stakes world.
Joo Jin-mo as Park Mu-yeol
Joo Jin-mo plays Park Mu-yeol, a shrewd and calculating figure with connections in both the political and corporate realms. As a manipulative character, Park Mu-yeol’s actions are pivotal to the plot’s twists, often pushing the main characters to make difficult decisions. Joo Jin-mo’s ability to portray someone who is both charming and menacing makes Park Mu-yeol a memorable supporting character in Adamas.
Lee Ki-young as Choi Dae-ho
Lee Ki-young plays Choi Dae-ho, a veteran detective who becomes entangled in the investigation surrounding the mystery at the heart of Adamas. Known for his no-nonsense attitude and sharp investigative skills, Choi Dae-ho’s character adds an air of authority and gravitas to the storyline. His interactions with Ha Woo-shin and Song Soo-hyun create tension as his pursuit of the truth might put him at odds with those who are trying to bury it.
Jung Man-sik as Kim Do-young
Jung Man-sik portrays Kim Do-young, a character who walks the line between friend and foe. Kim Do-young’s ambiguous loyalties and moral flexibility make him an unpredictable figure, adding tension to the plot. His role in the larger political landscape of the series further complicates the brothers’ quest for justice. Jung Man-sik excels in roles that require him to balance empathy and ruthlessness, and Kim Do-young is no exception.
Kim Hye-eun as Lee Hwa-young
Kim Hye-eun plays Lee Hwa-young, an influential businesswoman with her own set of ambitions and secrets. As a major player in the corporate world, Lee Hwa-young is both a powerful ally and a dangerous adversary. Her interactions with the main characters provide additional layers of tension, as her true intentions remain shrouded in mystery. Kim Hye-eun’s performance as Lee Hwa-young adds an air of sophistication and menace to the show.
Kim Byung-chul as Jo Seok-hwan
Kim Byung-chul plays Jo Seok-hwan, a high-ranking government official whose decisions have far-reaching consequences. A master of manipulation, Jo Seok-hwan’s machinations contribute to the series’ political intrigue, and his relationship with the central characters is filled with manipulation and power struggles. Kim Byung-chul’s portrayal of Jo Seok-hwan is marked by a controlled, chilling calmness that makes him a compelling antagonist.
Ahn Nae-sang as Park Jung-bum
Ahn Nae-sang takes on the role of Park Jung-bum, a quiet but loyal ally of the main characters who plays a pivotal role in the investigation. While not as flashy as some of the other characters, Park Jung-bum’s knowledge and connections help to guide the story forward. Ahn Nae-sang’s understated performance adds a layer of subtle strength to the character, making Park Jung-bum an essential part of the ensemble.
Conclusion
Adamas is a testament to the power of storytelling, where each character—whether central or supporting—plays a pivotal role in creating a rich, suspenseful narrative. From the main cast, with their nuanced performances that blur the line between good and evil, to the supporting characters who add layers of intrigue and complexity, the ensemble brings the story to life in a way that captivates and holds the audience’s attention from start to finish.
The duality of Ji Sung’s portrayal of the twin brothers, the fierce determination of Lee Soo-kyung’s Kim Seo-hee, and the chilling unpredictability of Heo Sung-tae’s Choi Tae-sung, all combined with the calculated performances from the supporting cast, ensure that Adamas is more than just a thriller—it’s an immersive experience. The actors’ ability to balance moments of high tension with deep emotional stakes elevates the show, making it a standout in the genre.
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FAQs
Who plays the lead role of Ha Woo-shin in Adamas?
Ji Sung plays the dual role of Ha Woo-shin and Song Soo-hyun. He portrays the two twin brothers who become entangled in a web of mystery, uncovering dark secrets in their quest for truth. Ji Sung’s portrayal of both characters has been widely praised for its depth and emotional range.
Are there any notable actors in the supporting cast of Adamas?
Yes! The supporting cast of Adamas features several accomplished actors. Key members include Lee Soo-kyung as the determined journalist Kim Seo-hee, Heo Sung-tae as the morally ambiguous Choi Tae-sung, and Kim Hye-eun as the powerful businesswoman Lee Hwa-young. These actors play critical roles in developing the series’ suspense and intrigue.
Who plays the antagonist in Adamas?
Heo Sung-tae portrays Choi Tae-sung, the antagonist who brings a chilling presence to the show. Known for his ability to play complex villains, Heo Sung-tae’s portrayal of Choi adds depth and unpredictability to the series, making him a key figure in the unfolding mystery.
Does Ji Sung have any experience in dual roles?
Yes! Ji Sung is no stranger to playing dual roles. Before Adamas, he showcased his versatility in roles that required him to portray multiple characters, such as in the popular series Kill Me, Heal Me. His experience in playing complex characters allows him to expertly navigate the portrayal of both Ha Woo-shin and Song Soo-hyun in Adamas.
Are the twins (Ha Woo-shin and Song Soo-hyun) different in personality?
Yes, they are quite different! Ha Woo-shin is a sharp, intelligent writer who approaches challenges with a cool, calculated mind. In contrast, Song Soo-hyun is a more emotional and morally driven prosecutor, often finding himself caught between justice and his personal feelings. Their contrasting personalities and approaches create a dynamic and engaging storyline as they work together to uncover the truth.
Who plays the role of Kim Seo-hee?
The role of Kim Seo-hee is played by Lee Soo-kyung. As an investigative journalist, Seo-hee is central to the plot, helping the brothers uncover vital information while also dealing with the risks and dangers of uncovering hidden truths. Lee Soo-kyung’s strong performance gives Seo-hee both resilience and vulnerability, making her one of the standout characters.
How does the cast’s chemistry impact the show?
The chemistry between the cast members is a key part of Adamas‘ success. The relationships between characters, from the bond between the twin brothers to the tense interactions with antagonistic figures, feel authentic and compelling. The actors’ ability to play off one another creates a dynamic and immersive experience for viewers, heightening the stakes of the mystery.
Is there any standout performance in the supporting cast?
While all performances are strong, Kim Hye-eun‘s portrayal of Lee Hwa-young, the influential businesswoman, stands out. Her character adds a sophisticated but dangerous edge to the series, and Kim Hye-eun’s nuanced performance makes Lee Hwa-young one of the most memorable characters in the show.
How has the cast been received by critics and viewers?
The cast of Adamas has been widely praised for their performances. Critics and viewers alike have highlighted Ji Sung’s ability to masterfully play dual roles, Heo Sung-tae’s chilling portrayal of the antagonist, and Lee Soo-kyung’s strong presence as Kim Seo-hee. Overall, the ensemble cast has been instrumental in the show’s ability to deliver a gripping and emotionally resonant story.
Are there any notable past projects of the cast?
Yes, many of the actors have notable past works. Ji Sung is renowned for his roles in Kill Me, Heal Me and The Devil Judge. Lee Soo-kyung has received praise for her roles in dramas like The Lady in Dignity. Heo Sung-tae is widely known for his role in Squid Game, while Kim Hye-eun has starred in various high-profile roles, including The Uncanny Counter.
Does Adamas feature any notable cameo appearances?
While Adamas primarily focuses on its core cast, there may be some cameo appearances from familiar faces throughout the series. These cameo roles often add additional layers to the mystery and intrigue of the plot, but the show is more focused on the performances of its main and supporting cast.
What makes the cast’s performances in Adamas stand out from other thrillers?
The cast’s performances in Adamas stand out because of the emotional complexity they bring to their roles. In a genre often dominated by suspense and action, the actors inject moments of real vulnerability and moral ambiguity into their characters. This deep emotional engagement adds a level of authenticity that makes the thriller aspect of Adamas even more compelling.