2007–2010: Career beginnings Kim made his television debut with a supporting role in the 2007 family sitcom
Kimchi Cheese Smile, and in 2008, landed a lead role in
KBS's critically acclaimed youth drama,
Jungle Fish. Based on a true story, it tackles the serious issues of school cheating, competitive academic standards, and interactive blogging in a fresh way. The drama won a number of awards, including the
US Peabody Award. For the latter half of the year, Kim appeared in the food-based variety show
Delicious Quiz (also known as
The Taste of Life) as one of the hosts and in the
short film Cherry Blossom. In 2009, Kim acted in the
short film Worst Friends by Namkoong Sun, which won the Best Film in Social Drama award at the
Mise-en-scène Short Film Festival and the well-received
SBS drama special ''
Father's House'' where he acted alongside veteran actor
Choi Min-soo. He also co-hosted Mnet's
Boys & Girls Music Countdown along with
Kara's
Han Seung-yeon in 2009. In January 2010,
KeyEast signed an exclusive contract with Kim becoming his management company. Kim raised his profile through memorable turns as the younger version of the male lead characters in
Will It Snow for Christmas? and
Giant,
2011–2013: Rising popularity and breakthrough Kim became a household name in 2011 after starring in the high school musical drama
Dream High. He plays a country bumpkin who turned out to be a musical genius. The drama brought in high domestic ratings and was also popular overseas, winning several international awards. As the only young actor in a cast of
idols, Kim studied song and dance for three months at
JYP Entertainment to pull off the required scenes in the drama. He recorded two songs for the drama's soundtrack, his solo "Dreaming" as well as the title track "Dream High" with the rest of the cast. '', January 2012|left Kim's popularity skyrocketed when he starred in the hit period drama
Moon Embracing the Sun as the King Leehwon. The drama recorded a peak rating of 42.2 percent, thereby earning the "national drama" status and was exported to locales across Asia, making it one of the most profitable exports in the drama genre. Kim contributed his vocals to the soundtrack with the traditional ballad "Only You" and the more modern composition "Another Way". Due to his popularity, he set a new record in product endorsements for being the face of 17 products simultaneously. He also won the Best Actor (TV) award at the
48th Baeksang Arts Awards. Beating out heavyweight veterans such as
Han Suk-kyu,
Shin Ha-kyun and
Cha Seung-won, Kim said "I am very grateful for this moment, but I am ashamed as well. It's like getting a lot of homework. I'll keep trying to become a better actor in order to remain worthy of this award". Kim made his big-screen debut in the star-studded heist film
The Thieves, touted by the press as the Korean version of ''
Ocean's Eleven''. With over 12.9 million ticket sales, the film became the second highest-grossing movie in Korean film history. In 2013, Kim was cast to play the role of a North Korean spy who infiltrated South Korea as a village idiot in the movie
Secretly, Greatly, an adaptation of the popular
webtoon series
Covertness by Hun. The film broke several records and was one of the most successful box office hits of the year drawing an audience of 7 million. Kim won the Best New Actor (Film) award at the
50th Grand Bell Awards and the
50th Baeksang Arts Awards.
2014–2017: International popularity From 2013 to early 2014, Kim starred in
SBS fantasy romance series
My Love from the Star alongside
Jun Ji-hyun. He also released two singles for the drama's soundtrack, titled "In Front of Your House" and "Promise". It became massively popular across Asia, especially in China; it had over 14.5 billion hits as of February 2014 on the
online video platform iQIYI and also sparked trends in fashion, make-up and restaurants. Kim experienced explosive growth in popularity throughout Asia topping various popularity polls and became one of the most in-demand endorsers with 35 product endorsements. He won the
Daesang (or "Grand Prize"), the highest award for television, at the
7th Korea Drama Awards and Most Popular Actor (TV) at
50th Baeksang Arts Awards. '', May 2015 In 2015, Kim starred in
KBS variety drama
The Producers, written by
My Love From the Star writer
Park Ji-eun. The drama drew solid ratings domestically, and was also sold to several countries internationally. Kim became one of South Korea's favorite leading faces on TV according to the Korea Broadcast Advertising Corporation. Kim once again won the
Daesang (or "Grand Prize") at the
8th Korea Drama Awards,
4th APAN Star Awards and the
2015 KBS Drama Awards for his acting performance. Kim's wax figure made in his image was displayed at
Madame Tussauds, Hong Kong and
Musée Grévin, Seoul in 2015. In the following year, he was listed under
Forbes "30 Under 30 Asia list" which comprises 30 influential people under 30 years of age who have made substantial effect in their fields. Kim then starred in the action-noir film
Real, directed by his cousin Lee Sa-rang, which premiered in June 2017. The film tanked at the box office and received negative reviews from the critics for its direction, storyline, characters' information; saying that only Kim saved the movie with his acting to some extent. In contrast, the film received favourable response after its arrival in Taiwan's cinema. Expat Korean Movie Critic/Blogger Pierce Conran included
Real in his list of top 15 Korean Movies of 2017 for its uniqueness and originality. In 2017, Kim took a hiatus from acting to complete his obligatory military service of 21 months.
2019–present: Return to acting Kim made headlines in news when he returned to his acting career through his special appearances on dramas
Hotel del Luna and
Crash Landing on You. In December 2019, reports surfaced that Kim would be leaving
KeyEast to form a new agency with his cousin. In January 2020, Kim signed with newly formed entertainment agency
Gold Medalist. '', June 2020 In 2020, Kim took on the role of Moon Gang-tae, an orphaned psychiatric aide in the
tvN broadcast romantic comedy ''
It's Okay to Not Be Okay''. The series was Kim's first small screen appearance in a lead role after a five-year gap. In comparison to his previous series, it recorded lesser TV viewership ratings.
The New York Times named ''It's Okay to Not Be Okay
one of "The Best International Shows of 2020", while La Tercera called it "one of the most popular Asian dramas" of 2020. S. Poorvaja of The Hindu'' said of Kim's acting that he brought "Gang-tae alive on screen perfectly — someone whose silent world weariness slowly but steadily progressed to sparkling eyes, smiles and enthusiasm." He won the Daesang (or "Grand Prize") at the 5th
Asia Artist Awards in the television category. In 2021, Kim starred in
Coupang Play's television series
One Ordinary Day, based on the British television series
Criminal Justice, played the role of Kim Hyun-soo, a normal college student whose life turns upside down when he unexpectedly becomes the key suspect of the murder case. On December 21, 2021,
Gold Medalist announced that it will produce and promote actor Kim Soo-hyun's
digital human together with EVR Studio. That has an appearance like a real person and can use facial expressions and plans to be used in a variety of industries including entertainment, metaverse, movies, and advertising in the future. In 2022,
Studio Dragon confirmed Kim's participation in the romantic comedy series
Queen of Tears written by
Park Ji-eun, with whom Kim had previously collaborated on
My Love from the Star and
The Producers. Kim also recorded the song "Way Home" () for the soundtrack of the series; it was the first time in 10 years since he had participated in a series' soundtrack. The series premiered on March 9, 2024, and was a success both domestically and internationally. It recorded a peak national viewership rating of 24.850% for its finale, becoming the
highest-rated tvN series and remained on Netflix's Global Top 10 Non-English TV series rankings for 15 consecutive weeks from its initial release. He was nominated for Best Drama Actor for a fourth time and won Most Popular Actor for a third time at the
60th Baeksang Arts Awards. In 2024, Kim was confirmed to star as Kim Sung-joon, who goes from being an ordinary office worker to becoming the king of the global fake market in
Disney+ black comedy series
Knock-Off. ==Other ventures==