The Impossible Heir Cast brings together a talented group of actors who deliver powerful performances in this gripping drama. From complex family dynamics to intense emotional conflicts, the cast expertly brings the characters to life, making it a must-watch for fans of intricate storytelling and dramatic twists.
Table of Contents
Introduction

The Impossible Heir is a compelling and emotionally charged drama that delves into themes of family, inheritance, and identity. The series follows the journey of an unlikely heir who is thrust into a world of power, secrets, and responsibility. As the story unfolds, viewers are taken on an intense ride through personal struggles, complicated relationships, and the search for one’s true self. With a stellar cast that brings these complex characters to life, The Impossible Heir explores what it means to inherit not just wealth and titles, but also the burdens and expectations that come with them. Combining elements of mystery, drama, and family intrigue, this series keeps audiences on the edge of their seats, making it a must-watch for those who enjoy thought-provoking and emotional storytelling.
The Impossible Heir Cast
Lee Joon-gi as Kang Jun-ho
Kang Jun-ho is the central character of The Impossible Heir. Initially an outsider, he unexpectedly finds himself entangled in the power dynamics of a wealthy family as their heir. Played by Lee Joon-gi, known for his roles in Moon Lovers: Scarlet Heart Ryeo and Flower of Evil, Kang Jun-ho is a complex character, torn between the responsibilities that come with his newfound position and his desire for a simple life. Lee Joon-gi brings a perfect balance of intensity, vulnerability, and resilience to the role, making Jun-ho a deeply relatable and intriguing character.
Kim Ji-won as Han Se-joo
Han Se-joo is a strong, independent woman who finds herself caught in the web of the family’s power struggles. As a key figure in Kang Jun-ho’s life, she plays a pivotal role in his journey of self-discovery and the emotional challenges that come with it. Kim Ji-won, known for her roles in Descendants of the Sun and Arthdal Chronicles, portrays Se-joo with a perfect blend of strength and compassion, making her an essential part of the emotional core of the drama.
Jang Hyuk as Park Soo-hyun
Park Soo-hyun is a mysterious and powerful figure within the family’s world, with a complex history tied to the heirship and the family’s secrets. Played by Jang Hyuk, known for his work in Voice and The Slave Hunters, Soo-hyun’s character is filled with layers of intrigue and moral ambiguity. Jang Hyuk’s performance brings a commanding presence to the role, keeping viewers captivated by his character’s motives and actions.
Lee Da-hee as Min Hye-jin
Min Hye-jin is a driven and ambitious woman who is connected to the family’s legacy and plays a key role in the drama’s power dynamics. Played by Lee Da-hee, who is known for her roles in Search: WWW and I Can Hear Your Voice, Min Hye-jin is a character who balances ambition with vulnerability, and Lee Da-hee’s nuanced performance highlights the complexities of her role within the family drama.
Park Jin-woo as Choi Ji-ho
Choi Ji-ho is an important supporting character whose loyalty and actions have significant impacts on the unfolding events. His relationship with the main characters adds an intriguing layer of tension and conflict. Played by Park Jin-woo, his role adds depth and intrigue to the overall storyline, making him an essential part of the drama’s web of relationships.
Supporting Cast
Kim Young-ae as Kang Jun-ho’s Mother, Lee Hye-sook
Lee Hye-sook is the matriarch of the family, carrying the weight of family secrets and responsibilities. Played by Kim Young-ae, known for her roles in The Lady in Dignity and The Queen’s Flower, her performance brings gravitas to the series. She is fiercely protective of her family but also harbors hidden agendas that impact Kang Jun-ho’s life and decisions.
Choi Min-chul as Han Se-joo’s Father, Han Sung-kyu
Han Sung-kyu is a wealthy and powerful businessman who holds strong influence over the family’s legacy. Played by Choi Min-chul, his role adds layers of power and manipulation, and his complicated relationship with Se-joo brings emotional and political tensions to the plot.
Oh Jung-se as Joo Seung-kyu
Joo Seung-kyu is a close ally of Kang Jun-ho, providing support in his transition into the world of wealth and power. His loyalty to Jun-ho, along with his strong moral compass, makes him a trusted confidant. Played by Oh Jung-se, known for his performances in It’s Okay to Not Be Okay and When the Camellia Blooms, Seung-kyu brings both heartwarming and dramatic moments to the series.
Ahn Nae-sang as Park Soo-hyun’s Mentor, Lee Gyeong-soo
Lee Gyeong-soo is a mentor figure to Park Soo-hyun, offering guidance and strategies as the power struggle unfolds. Played by Ahn Nae-sang, his role adds complexity to Soo-hyun’s character, providing insight into his motivations and the broader schemes within the family’s world.
Kim So-eun as Jo Hye-jin
Jo Hye-jin is a friend of Han Se-joo who adds some lightness to the drama’s intense atmosphere. While her character brings some comic relief, she is also deeply involved in the emotional arcs of the main characters. Played by Kim So-eun, known for her roles in Boys Over Flowers and Liar Game, Hye-jin offers a relatable and supportive presence in the storyline.
Jeon Mi-seon as Choi Soo-jin
Choi Soo-jin is a key figure in the family’s business operations, often caught between the desires of the main characters and the responsibilities of the company. Played by Jeon Mi-seon, known for her roles in The Housemaid and A Frozen Flower, Soo-jin’s character adds depth and intrigue to the family’s corporate world.
Lee Kyu-han as Seo Joon
Seo Joon is a trusted associate of Kang Jun-ho who gets caught up in the power struggle within the family. His relationship with the main characters creates moments of tension, loyalty, and betrayal, making his role crucial to the unfolding drama. Played by Lee Kyu-han, known for his work in My Daughter, Geum Sa-wol and The Woman Who Still Wants to Marry, Seo Joon’s character adds intrigue to the storyline.
Conclusion
The Impossible Heir offers a gripping and emotionally charged narrative that explores complex themes of family, power, inheritance, and personal identity. With a talented main cast, including Lee Joon-gi, Kim Ji-won, Jang Hyuk, and others, the series captivates viewers with its compelling characters and intricate storylines. The supporting cast also plays a pivotal role, adding depth and complexity to the narrative through their diverse personalities and interactions with the leads.
As the characters navigate their personal struggles, ambitions, and the weight of family expectations, the drama delivers a rollercoaster of emotions, from moments of intense drama to heartfelt connections. The dynamic between the cast members enhances the storytelling, making The Impossible Heir a must-watch for fans of family dramas and character-driven narratives.
Beyond Goodbye Cast & Their Role (2024) Japanese Drama Series
(FAQs)
Who are the main cast members of The Impossible Heir?
The main cast of The Impossible Heir includes:
Lee Joon-gi as Kang Jun-ho
Kim Ji-won as Han Se-joo
Jang Hyuk as Park Soo-hyun
Lee Da-hee as Min Hye-jin
Park Jin-woo as Choi Ji-ho
Who plays Kang Jun-ho in The Impossible Heir?
Lee Joon-gi plays Kang Jun-ho, the central character who unexpectedly becomes the heir of a powerful family. Known for his roles in Moon Lovers: Scarlet Heart Ryeo and Flower of Evil, Lee Joon-gi delivers a nuanced performance, capturing Jun-ho’s struggles with responsibility and self-identity.
What other projects has Kim Ji-won worked on?
Kim Ji-won, who plays Han Se-joo in The Impossible Heir, is widely known for her roles in popular K-dramas such as Descendants of the Sun, Arthdal Chronicles, and Fight for My Way. Her versatility and strong screen presence have made her a beloved actress in the K-drama industry.
Who plays Park Soo-hyun in the series?
Jang Hyuk portrays Park Soo-hyun, a mysterious and powerful figure within the family. Jang Hyuk is well-known for his roles in Voice, The Slave Hunters, and The Client, and he brings his signature intensity to the role of Soo-hyun, adding layers of complexity to the character.
What is the role of Lee Da-hee in the drama?
Lee Da-hee plays Min Hye-jin, a strong-willed, ambitious woman whose involvement in the family’s power dynamics plays a key role in the plot. Lee Da-hee has also gained recognition for her roles in Search: WWW and I Can Hear Your Voice, showcasing her ability to portray complex and compelling characters.
Are there any notable supporting cast members?
Yes, the supporting cast also plays important roles in enhancing the drama:
Kim Young-ae as Lee Hye-sook (Kang Jun-ho’s mother)
Choi Min-chul as Han Sung-kyu (Han Se-joo’s father)
Oh Jung-se as Joo Seung-kyu (Kang Jun-ho’s ally)
Jeon Mi-seon as Choi Soo-jin (a key figure in the family’s business operations)
Ahn Nae-sang as Lee Gyeong-soo (Park Soo-hyun’s mentor)
How does the cast contribute to the drama’s success?
The cast of The Impossible Heir contributes significantly to the drama’s success by bringing each character to life with emotional depth and authenticity. The strong chemistry between the main cast members, combined with their exceptional performances, drives the storyline and ensures that viewers remain engaged throughout the series.
What makes Lee Joon-gi’s performance stand out in The Impossible Heir?
Lee Joon-gi’s portrayal of Kang Jun-ho stands out due to his ability to convey the character’s internal conflict, vulnerability, and growth. Known for his versatility, Lee Joon-gi’s performance in The Impossible Heir captures the character’s journey from an outsider to an heir facing tremendous responsibility, making his portrayal both compelling and relatable.