Kim began acting in 2008, and later performed in the drama
Good Doctor on
KBS2. He also starred in the action comedy,
Runway Cop (2012) and teen romance drama,
Hot Young Bloods (2014). In 2014 he performed in dramas such as
tvN's
Plus Nine Boys and SBS's
Pinocchio, for which he received an
SBS Drama Award as "New Star" for his role as Seo Beom-jo. In 2015, he starred in the medical drama
D-Day, and in the web drama
Dr. Ian with
Sandara Park. In 2016, he was cast as the lead in the web drama
Gogh, The Starry Night with
Kwon Yuri, and in the
KBS2 romantic comedy series
Sweet Stranger and Me with
Soo Ae. In 2017, he starred in the
MBC thriller drama
The Guardians as a passionate prosecutor. In 2018, Kim starred in romance film
On Your Wedding Day opposite
Park Bo-young. His performance in the film earned him a Best New Actor award in film at the
Baeksang Arts Awards. He then starred in fantasy comedy film
The Soul-Mate together with
Ma Dong-seok. Later that year, he was also cast in tvN's mystery drama
Room No. 9. In 2019, Kim starred in the romance comedy drama
The Secret Life of My Secretary, which premiered in May 2019. In 2021, he starred in the spy action film
Mission: Possible opposite
Lee Sun-bin, which was released in February. Also in 2021, he starred alongside
Choi Kang-hee in the fantasy romantic comedy
Hello, Me!, which premiered in February 2021. In 2022, he starred in murder thriller netflix series
Somebody. In 2023, he starred in Melo-drama titled
Call It Love, alongside actress
Lee Sung-Kyung. It aired on Disney+ from February 22 to April 12, 2023. Also that year, he starred in the Genie TV original drama
Evilive. In 2025, he had a cameo appearance in
The Haunted Palace as an
imoogi. Followed by Netflix original series
Trigger, which he starred alongside actor
Kim Nam-gil. He also starred in a crime thriller series
Walking on Thin Ice, also known as ''Eunsoo's Good Day
, alongside actress Lee Young Ae. He also starred in the film adventure comedy film The First Ride''. ==Personal life==