Koo Ja-geon

Drama Series - 2021, 16 episodes • as Recruit

A former special forces soldier delivers revenge for victims of injustice while working for a secret organization that fronts as a taxi company.

Drama Series - 2021, 16 episodes • as Bank security guard

Finding life in all that’s left behind, a detail-oriented trauma cleaner and his estranged uncle deliver untold stories of the departed to loved ones.

Drama Series - 2018, 16 episodes • as [Oh Dol's friend]

Gil Oh-so, an employee at a cleaning company, meets Jang Seon-gyul, the boss of the company. The two are diametric opposite when it comes to cleanliness. With the help of Oh-sol, Seon-gyul faces his mysophobia and falls in love with her.

Drama Series - 2025, 16 episodes • as Kim Jun-u

A teenage shaman determined to change fate sets out to save a mysterious boy destined to die. As danger looms, their fated encounter sparks a powerful first love that defies darkness and reclaims hope.

Drama Series - 2022, 16 episodes • as Job interviewee

In a time when dreams seem out of reach, a teen fencer pursues big ambitions and meets a hardworking young man who seeks to rebuild his life.

Drama Series - 2023, 16 episodes • as Student

A kind-hearted nurse working in psychiatry goes above and beyond to be a ray of light for those under her care, despite the challenges coming her way.

Drama Series - 2020, 16 episodes • as [Food palanquin bearer]

A modern chef suddenly becomes trapped inside the body of a queen from the Joseon era, which causes chaos for everyone involved.

Drama Series - 2022, 16 episodes • as Bus passenger

Frustrations and feelings collide when a dynamic PR executive finds herself working with her irksome nemesis — who happens to be a megastar client.

Drama Series - 2023, 16 episodes • as Prisoner

People are busy watching the screen. The person wearing a mysterious mask so called 'Gaetal' appears, and the Killing Vote begins.

Drama Series - 2022, 16 episodes • as [Da Hyeon's ex]

Eun Gye-hoon, a famous chef, opens a restaurant in a town he lived when he was a little kid. In the past, he had a twin sister. But after a traumatic incident tat the hometown, the family lost her. He used to have a strong emotional link to his sister, able to synchronize with any kinds of feelings she was having. When Noh Da-hyun, a young woman in need of help, visits him one day, Gye-hoon starts to feel that strong link again.

Drama Series - 2020, 16 episodes • as Woo Hyun

After ten years of being best friends, it has been six months that they have become an honest and confident couple. But because of a mistake, they started a secret relationship? A web sitcom about the real love of nineteen-year-old students.

Drama Series - 2022, 16 episodes • as [Delinquent]

A story about an 18-year-old Da Jung who discovered a field of marijuana as a teenager, and her friends who desperately look for their lost, ordinary life. A human drama about growing up, experiencing love and wounds, as Da Jung who was used by her parents to transport drugs, meets Yoon Tak, a rural man and his friends in the countryside.

Drama Series - 2024, 16 episodes • as [Baduk player]

Amid a royal and political power struggle, a king entangles with an intriguing woman — whose hidden desire for revenge transforms into unintended love.

Drama Series - 2021, 16 episodes • as Guy Waiting in Line with Friend (Denim Jacket)

The romance between top star Hoo Joon and his anti-fan reporter Lee Geun-young who end up living together.

Drama Series - 2021, 16 episodes • as College Student

A team of expert mountain rangers put their lives on the line to save stranded trekkers, solve haunting mysteries and protect Jirisan National Park.

Drama Series - 2024, 16 episodes • as [Barista]

Seo Gi-joo, a lonely photographer who is bound by a contract to take pictures of the dead for generations in his family, meets Han Bom, a woman who protects him from death, and realizes the preciousness of life as he faces life and death together.

Drama Series - 2023, 16 episodes • as [Sungkyunkwan scholar]

Prince Lee Hwan receives a cursed letter from a supernatural entity detailing several dark predictions for his future and is horrified to realize that the curses are indeed coming true one by one. Min Jae-yi, on the other hand, finds herself wanted by the local authorities after being unjustly accused of murdering her family members and unilaterally calling off her arranged marriage.

Drama Series - 2022, 16 episodes • as Kwon Tae-gi's friend

Two women — best friends since high school — realize the limits of their friendship as secrets, jealousy and desire come between them.

Movie - 2022, 2h 15m • as College Student

Pil-ju, an Alzheimer's patient in his 80s, who lost all his family during the Japanese colonial era, and devotes his lifelong revenge before his memories disappear, and a young man in his 20s who helps him.

Drama Series - 2023, 16 episodes • as Jeong Pal

After a disastrous first encounter between Ba-ram and Han-tae during their school years, the two strike up an unlikely and close friendship in the aftermath. Years later, will Ba-ram be able to keep his crush on Han-tae a secret any longer?

Drama Series - 2019, 16 episodes • as Ha Tae Sung

The concept of "Kiss Scene in Yeonnam-dong" is 'who kissed her that night?' and it's about a young woman who has been single all her life looking for the most handsome kisser. She has been single all her life, but she's not all that innocent in this honest romantic story of young people.

Drama Series - 2019, 16 episodes • as Oh Seung Woo

Two high school boys growing and getting mature together. They are thinking about their dreams and future.

Movie - 2023, 2h 15m • as Track and Field Athlete

A rousing tale of the Korean athletes who ran the 1947 Boston International Marathon, the first international marathon held since World War II.

Drama Series - 2020, 16 episodes • as Kim Sung Hoon

"Why do I need to choose and give up between work, love, and friend?" It is the office romance of the office couple Seol and JungWoo and Seol's childhood friend TaeHwan who enters the company KOGAS.

Movie - 2018, 2h 15m • as store employee 1

A blind woman gets in an argument with a store clerk.