K-drama leading man Seo In Guk is always a treat to watch on screen. With his breakthrough performances in Reply 1997 and Shopping King Louie, he’s proven that he’s not just a superstar with a golden voice, but a dynamic actor as well. If you want to see more of In Guk in his best work, scroll ahead!
K-Dramas Starring Seo In Guk
1. Reply 1997 (2012)
Set in the 1990s this particular installment of the Reply series centers on Sung Shi-won, a high school student dedicated to pop boyband H.O.T., along with her five friends in Busan. The narrative alternates between their school years in 1997 and their reunion as 33-year-olds in 2012 as a mystery couple from the group gears up to announce their marriage. In Guk portrays Yoon Yoon-jae, Shi-won's childhood friend who's secretly in love with her.
Also starring: Jung Eun Ji, Hoya, Shin So Yul
2. The Master’s Sun (2013)
Watch on: Netflix, Viu
Once a cheerful young woman, Tae Gong-shil loses all her spunk when an accident gives her the ability to see ghosts. When the spirits start disappearing whenever she’s near the stingy Joo Joong-won, Gong-shil convinces him to keep her by his side. In return, she must help him recover a huge sum of money stolen from him, by communicating with his dead ex-girlfriend. In Guk plays Kang Woo, Gong-shil’s neighbor and the head of security at the shopping mall owned by Joong-won.
Also starring: Gong Hyo Jin, So Ji Sub
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3. High School King of Savvy (2014)
Watch on: iQiyi
Lee Min-seok is a regular high school student who happens to look exactly like his older brother, Hyung-suk. When the latter calls him up one day, begging him to take his place at work, Min-seok starts impersonating Hyung-suk at his company, where he clashes with his superior, Yoo Jin-woo, and meets his friend’s older sister, Jung Soo-young.
Also starring: Lee Ha Na, Lee Soo Hyuk, Lee Yul Eum
4. The King’s Face (2014)
Gwanghae is the illegitimate son of Joseon’s king. Ostracized by his own father, he’s forced to deal with his followers’ hatred, weathering death threats and dethronement. Fed up with the mistreatment, he hires a face-reading fortuneteller to help him ascend the throne.
Also starring: Lee Sung Jae, Jo Yoon Hee, Sin Sung Rok
5. Hello Monster (2015)
Watch on: iQiyi
Lee Hyun, a genius criminal profiler who’s recently returned to Korea, and Cha Ji-an, the curious detective secretly investigating him, are unknowingly deceived into a dangerous game of cat and mouse as they both seek to unravel the other’s secrets. In Guk leads the series as Hyun, a brilliant man on a mission to find his long-lost younger brother.
Also starring: Jang Na Ra, Choi Won Young, Park Bo Gum
6. Squad 38 (2016)
A team of civil servants plot to catch wealthy tax evaders who will do anything they can to circumvent the law. But when the rich end up outsmarting and humiliating them, they enlist the help of professional swindler Yang Jeong-do to bring the corrupt businessmen to justice.
Also starring: Ma Dong Seok, Cho Soo Young, Song Ok Sook
7. Shopping King Louie (2016)
Louie, the shopaholic rich heir of a vast business empire, has his life upended when he becomes homeless after suffering from amnesia. The unfortunate event then leads him to the sweet Koh Bok-shi, a simple country girl who teaches him to survive on only the bare necessities.
Also starring: Nam Ji Hyun, Yoon Sang Hyun, Im Se Mi
8. The Smile Has Left Your Eyes (2018)
Watch on: iQiyi
Detective Yoo Jin-gook is assigned to investigate a murder case previously ruled as suicide. His job turns personal when his sister, Yoo Jin-kang, falls in love with Kim Moo-young, a mysterious suspect who can’t remember much from his past. As their lives intertwine, Moo-young slowly starts regaining his memories, which are inevitably linked to his father’s death.
Also starring: Jung So Min, Park Sung Woong, Kim Ji Hyun
9. Doom at Your Service (2021)
Watch on: Viu
Tak Dong-kyung’s life starts to unravel when she finds out she’s terminally ill. Distraught over her limited time, she makes a wish for the world to end, but is visited by the immortal personification of Doom instead, Myul Mang. Sick of his own existence, Myul Mang signs a 100-day contract with Dong-kyung, agreeing to help her live her life the way she’s always wanted.
Also starring: Park Bo Young, Lee Soo Hyuk, Kang Tae Oh
10. Cafe Minamdang (2022)
Watch on: Netflix
A former criminal profiler turns conman, posing as a fortune teller at Minamdang to swindle clients with his charm and wit. While scamming them, he also helps solve their problems, aided by a private detective and his hacker sister. Meanwhile, a determined detective with an unshakable sense of justice crosses paths with him, but their encounter threatens to upend everything she stands for.
Also starring: Oh Yeon Seo, Kwak Shi Yang, Kang Mi Na, Kwon Soo Hyun
11. Death's Game (2023)
Watch on: Prime Video
After years of struggling to find a job, Choi Yi-jae loses all hope and takes his own life—only to face Death itself. Instead of the end he expected, he’s sentenced to experience death 12 more times in different bodies, with one final chance to escape hell. Seo In Guk leads the series as Yi-jae, a desperate man caught in a brutal cycle of life and death.
Also starring: Park So Dam
12. Twelve (Coming Soon)
Centuries ago, 12 zodiac angels sealed away a powerful evil, bringing peace to humanity. But when darkness resurfaces, they must reunite to battle sinister forces led by O-Gwi. Seo In Guk joins the star-studded cast in this epic fantasy, where the angels, led by Tae-San, the Tiger, prepare for a war that will decide the fate of the world.
Also starring: Ma Dong Seok, Park Hyung Sik, Lee Joo Bin, Ko Kyu Pil, Kang Mi Na
13. Boyfriend on Demand (Coming Soon)
Watch on: Netflix
Seo Mi Rae, a webtoon producer, has long given up on love in real life. But when she stumbles upon the "Monthly Boyfriend" device, she enters a virtual world where impossibly perfect men reignite her dormant feelings.
Seo In Guk plays Park Gyeong Nam, Mi Rae’s rival at work. Though respected for his talent, he’s cold, self-serving, and harbors a hidden side.
Also starring: Jisoo
Movies Starring Seo In Guk
14. Pipeline (2021)
Watch on: iQIYI
A prodigy driller is recruited for a high-stakes oil heist targeting Korea’s largest pipeline, known as the country’s “artery.” With just a month to pull off the impossible, he assembles a crew of misfits, including a civil engineer, an excavation expert, and a welder. But as corporate greed and the risk of catastrophe loom, one wrong move could send everything up in flames.
Also starring: Lee Soo Hyuk, Eum Moon Suk, Yoo Seung Mok, Tae Hang Ho, Bae Da Bin
15. Project Wolf Hunting (2022)
When a fatal airport bombing derails the extradition of dangerous convicts, authorities transfer them aboard the cargo freighter Frontier Wolf. Among them is a cold-blooded crime heir, watched over by two dozen detectives and a volatile Coast Guard captain. But as a violent mutiny unfolds, both prisoners and law enforcement discover they aren’t the only ones on board—something far more terrifying is waiting in the ship’s depths.
Also starring: Jang Dong Yoon, Park Ho San, Jung So Min, Ko Chang Seok, Jang Young Nam
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