Seo Ji-hoon is a South Korean actor who was born on April 25, 1997. Seo has appeared in dramas such as Solomon's Perjury (2016-2017), School 2017 (2017), and My First Love since his acting debut in Signal in 2016. (2018).
Seo made his acting debut in 2016 with a minor role in the drama Signal as the main suspect in the Inju female student case. He was then cast in the web series Matching! Boys Archery. Seo was nominated for his first KBS Drama Award for his performance in the one-act drama The Legendary Shuttle. Later that year, he appeared in the teen mystery drama Solomon's Perjury.
Seo appeared in the teen drama School 2017 as well as the black comedy series Prison Playbook in 2017.
Seo was cast as the younger version of Lee Jung-character shin's in the fantasy romance drama My First Love in 2018. In the mystery drama Misty, he played the younger version of the character Im Tae-kyung. Seo joined Moon Chae-won and Yoon Hyun-min in the fantasy romance drama Tale of Fairy in May.
Seo received his first leading role in the tvN one-act drama Drama Stage: Crumbling Friendship in 2019. Seo was cast in the youth historical drama Flower Crew: Joseon Marriage Agency the same year.
Seo appeared in the romantic comedy Men Are Men alongside Hwang Jung-eum and Yoon Hyun-min in 2020. For his roles in Welcome and Men Are Men, he received a KBS Drama Award.
| Year | Title | Role |
|---|---|---|
| 2016 | Signal | Jang Tae-jin (ep.14) |
| Drama Special – The Legendary Shuttle | Jo Tae-woong | |
| Solomon's Perjury | Bae Joon-young | |
| 2017 | School 2017 | Yoon Kyung-woo |
| Prison Playbook | Min-sik | |
| 2018 | My First Love | Kang Shin-woo (young) |
| Misty | Ha Myung-woo (young) | |
| Tale of Fairy | Kim Geum | |
| 2019 | Drama Stage – Crumbling Friendship | Kim Young-hoon |
| Flower Crew: Joseon Marriage Agency | Lee Soo | |
| 2020 | Meow, the Secret Boy | Lee Jae-sun |
| Men Are Men | Park Do-gyum | |
| 2021 | Imitation | Yoon Bin (ep. 8) |
| 2023 | Payback | Cha Dong-jin (ep. 10–11) |
| Useless Lies | Lee Kang-min |
| Year | Title | Role |
|---|---|---|
| 2016 | Matching! Boys Archery | Yoo Ji-wan |
| 2017 | A Special Meal of the Weirdo 'Nara' | Ko Shi-saeng |
| 2022 | Seasons of Blossom | Lee Ha-min |
| Revenge of Others | Seok Jae-beom | |
| TBA | Youth | TBA |
| Four Lords | Geum Tae-yeong |
| Award ceremony | Year | Category | Nominee / Work | Result |
|---|---|---|---|---|
| KBS Drama Awards | 2016 | Excellence Award, Actor in a One-Act/Special/Short Drama | The Legendary Shuttle | Nominated |
| 2020 | Best New Actor |
| Won |
