I Can Hear Your Voice Cast by Lee Jong-suk, Lee Bo-young, and more. Learn about the characters, behind-the-scenes stories, and the stars who brought this thrilling legal drama to life.
Table of Contents
Introduction
I Can Hear Your Voice is a popular South Korean television drama that blends elements of mystery, romance, and courtroom drama. The show features a talented cast, including Lee Jong-suk, Lee Bo-young, and other remarkable actors who bring their characters to life with depth and emotion. The drama revolves around the story of a young man who possesses the ability to hear people’s thoughts, and a passionate public defender who fights for justice. With its compelling storyline and strong performances, the cast’s dynamic chemistry is one of the key reasons why this series remains a fan favorite. In this article, we dive into the talented actors behind the characters and explore their performances in this unforgettable Kdrama.
I Can Hear Your Voice Cast
Lee Jong-suk as Park Soo-ha
Lee Jong-suk plays Park Soo-ha, a high school student with a unique supernatural ability: he can hear people’s thoughts just by looking into their eyes. After witnessing his father’s murder as a child, Soo-ha dedicates his life to finding the killer and protecting the woman who testified in the case. Lee Jong-suk’s portrayal of Soo-ha is both vulnerable and intense, showcasing his ability to handle emotionally layered characters. This role was a major turning point in his career, gaining him widespread recognition.
Lee Bo-young as Jang Hye-sung
Lee Bo-young stars as Jang Hye-sung, a sharp-tongued and somewhat cynical public defender. Despite her tough exterior, Hye-sung is deeply committed to justice. She testified in Soo-ha’s father’s murder case when she was a teenager, changing the course of both their lives. Lee Bo-young brings depth and charisma to the role, balancing strength, wit, and emotional nuance. Her performance earned her critical acclaim and several awards.
Yoon Sang-hyun as Cha Gwan-woo
Yoon Sang-hyun plays Cha Gwan-woo, a former police officer turned idealistic public defender. He’s earnest, quirky, and believes in always seeing the good in people. Gwan-woo brings a light-hearted energy to the show, often acting as a foil to the more jaded Hye-sung. Yoon Sang-hyun’s warm and genuine portrayal makes Gwan-woo one of the most lovable characters in the series.
Jung Woong-in as Min Joon-gook
Jung Woong-in delivers a chilling performance as Min Joon-gook, the main antagonist of the drama. He’s a cold-blooded murderer seeking revenge on those who put him behind bars. Jung Woong-in’s intense acting adds suspense and tension throughout the series. His villainous role became iconic, and his performance is often cited as one of the drama’s highlights.
Supporting Cast
Kim Ga-eun as Seo Do-yeon (young & adult)
Seo Do-yeon is Jang Hye-sung’s high school rival and later a competitive prosecutor. Cold, ambitious, and prideful, she comes from a privileged background and struggles with unresolved guilt and jealousy. Kim Ga-eun (young Do-yeon) and Lee Da-hee (adult Do-yeon) portray her at different stages, showing how her past decisions shaped her adult life. Lee Da-hee especially brought depth to the character, making Do-yeon more than just a one-dimensional antagonist.
Choi Sung-joon as Go Sung-bin
Go Sung-bin is a classmate of Soo-ha and one of his closest friends. He’s cheerful, loyal, and brings a lighter, youthful energy to the show. His friendship with Soo-ha is a nice contrast to the drama’s darker moments, adding moments of heart and warmth.
Kim Hae-sook as Eo Choon-shim
Kim Hae-sook plays Hye-sung’s eccentric and loving mother, Eo Choon-shim. She runs a small pojangmacha (street food tent) and provides comic relief as well as emotional support to her daughter. Her strong maternal presence makes her one of the most endearing characters in the series.
Yoon Joo-sang as Judge Seo Dae-seok
Judge Seo is one of the more experienced and wise figures in the courthouse. He often serves as a grounding presence and guides the younger lawyers in handling both the law and their personal growth.
Kim Kwang-gyu as Kim Gong-sook
A fellow public defender and co-worker of Hye-sung, Kim Gong-sook adds humor to the legal team with his slightly bumbling yet kind-hearted demeanor. Kim Kwang-gyu is known for his comedic timing, and he delivers it well here.
Conclusion
The success of I Can Hear Your Voice goes far beyond its gripping storyline and supernatural twist—it lies deeply rooted in the strength of its cast. Each actor brought something uniquely compelling to the table, breathing life into their characters and enriching the emotional complexity of the drama.
Lee Jong-suk’s portrayal of Park Soo-ha was a defining moment in his career, as he convincingly embodied a character burdened by trauma yet driven by an unwavering sense of justice. His chemistry with Lee Bo-young, who masterfully played the cynical yet ultimately warm-hearted Jang Hye-sung, anchored the drama’s emotional core. Their dynamic—marked by growth, trust, and eventual love—made their relationship one of the most memorable in Kdrama history.
The supporting cast further elevated the drama, each character adding nuance and dimension. Lee Da-hee’s Seo Do-yeon offered a complex mix of ambition and vulnerability, while Jung Woong-in’s chilling performance as Min Joon-gook became a benchmark for Kdrama villains. Characters like Go Sung-bin and Eo Choon-shim brought levity and heart, ensuring the drama never lost its emotional balance even in its darkest moments.
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FAQs
Who are the main actors in I Can Hear Your Voice?
The lead roles are played by Lee Jong-suk as Park Soo-ha and Lee Bo-young as Jang Hye-sung. The cast also includes Yoon Sang-hyun as Cha Gwan-woo and Jung Woong-in as the main antagonist Min Joon-gook.
What role made Lee Jong-suk famous?
While Lee Jong-suk gained recognition in earlier roles, his performance as Park Soo-ha in I Can Hear Your Voice significantly boosted his popularity. The role showcased both his emotional range and ability to carry a lead character with depth and intensity.
Has Lee Bo-young appeared in other hit Kdramas?
Yes, Lee Bo-young is a seasoned actress with a long list of successful dramas, including Whisper, Mother, and When My Love Blooms. Her role in I Can Hear Your Voice is considered one of her most iconic performances.
Who played the villain in the drama?
The villain, Min Joon-gook, is played by Jung Woong-in. His terrifying and intense portrayal of the character left a lasting impression and is often mentioned as one of the most memorable Kdrama villains.
Is there a love triangle in the show?
Yes, the series features a subtle love triangle between Soo-ha, Hye-sung, and Cha Gwan-woo (played by Yoon Sang-hyun). Each character’s emotional development makes the relationships feel mature and believable.
Are there any real-life friendships among the cast?
While official details are limited, interviews and behind-the-scenes clips show that the cast had great chemistry and a friendly working relationship. Lee Jong-suk and Lee Bo-young in particular shared mutual respect and often praised each other’s performances.
Did any supporting cast members gain fame after the show?
Yes, Lee Da-hee, who played the adult Seo Do-yeon, saw a rise in popularity after the drama. She later starred in Search: WWW and L.U.C.A.: The Beginning, becoming a notable name in Kdramas.
Where can I follow the cast now?
Many of the cast members are active on social media and continue to act in new dramas and films. You can follow them on platforms like Instagram and through fan pages to keep up with their latest work.
Did the cast win any awards for their performances?
Yes, the drama and its cast received several awards. Notably, Lee Bo-young won the Daesang (Grand Prize) at the 2013 SBS Drama Awards for her role, and Lee Jong-suk also received acting awards that year.
What made the cast’s chemistry so memorable?
The cast’s chemistry felt natural and authentic, both in romantic and platonic relationships. Their performances conveyed genuine emotion, which helped the audience deeply connect with the story and its characters.