If you’ve been watching Korean dramas long enough, you’ve probably noticed a tall figure quietly stealing scenes in supporting roles before finally grabbing the lead. Kim Jae-young, the 186 cm actor with Namoo Actors, has built a steady filmography over the past decade.

Years active: 2012–present · Number of TV series: 18 · Height: 186 cm · Agency: Namoo Actors

Quick snapshot

1Confirmed facts
2What’s unclear
  • Marital status – not publicly confirmed (Wikipedia)
  • Current relationship status – no official statement (Wikipedia)
  • Exact upcoming projects beyond My Lovely Journey (AsianWiki (Asian drama database))
3Timeline signal
  • 2012 – TV debut in Roller Coaster 2 (Wikipedia)
  • 2018 – Breakthrough in 100 Days My Prince (Wikipedia)
  • 2024 – First lead role in The Judge from Hell (AsianWiki)
4What’s next
  • My Lovely Journey (2025, Channel A) – as Lee Yeon‑Seok (AsianWiki)
  • Cameo in When Life Gives You Tangerines (2025, Netflix) (AsianWiki)
  • No other confirmed projects as of early 2025 (Namoo Actors (official agency site))

Five key facts about Kim Jae‑young, one pattern: his profile keeps rising with each new role.

Label Value
Full name Kim Jae‑young
Birthdate September 30, 1988
Height 186 cm
Debut 2012
Agency Namoo Actors

The implication: these basics place him among the taller leading men in K‑drama, with a full decade of steady work behind him.

What TV shows has Kim Jae‑young starred in?

Kim Jae‑young has appeared in 18 television series since his debut in 2012. Below is the complete list, compiled from Wikipedia (crowd‑sourced encyclopedia), AsianWiki (Asian drama database), and MyDramaList (community drama database).

Notable dramas

  • 100 Days My Prince (2018, tvN) – Role: Moo‑yeon / Yoon Seok‑ha (Wikipedia)
  • The Judge from Hell (2024, SBS) – Role: Han Do‑jin (Han Da‑On) (AsianWiki)
  • Hello Monster (2015, KBS2) – Role: Kang Eun‑ho (Wikipedia)
  • My Secret Romance (2017, OCN) – Role: Jung Hyun‑tae (Wikipedia)
  • Love in Contract (2022, tvN) – Role: Kang Hae‑Jin (AsianWiki)
  • Reflection of You (2021, JTBC) – Role: Seo Woo‑jae (Wikipedia)
  • Secret Boutique (2019, SBS) – Role: Yoon Seon‑woo (Wikipedia)
  • Beautiful Love, Wonderful Life (2019, KBS2) – Role: Goo Joon‑hwi (Wikipedia)
  • The Master of Revenge (2016, KBS2) – Role: Go Gil‑yong (Wikipedia)
  • Black (2017, OCN) – Dual role Leo / Kim Woo‑sik (Wikipedia)

Full TV series list

Beyond the highlights, Kim has appeared in Roller Coaster 2 (2012), Blade Man (2014, as Je‑gil), Yong‑pal (2015, cameo), Entourage (2016, cameo as himself), and others (Wikipedia; MyDramaList). No major network has announced a new drama for him after The Judge from Hell beyond the two 2025 projects.

Film appearances

His filmography includes No Breathing (2013, his acting debut according to MyDramaList (community drama database)), Dear (listed on Viki as IDOL I; status unclear), and the short film 2020 The Way to a Good Career.

The upshot

Kim Jae‑young has played 18 TV roles over 12 years, yet only two projects are confirmed for 2025 — one is a supporting cameo. The gap suggests either careful selection or quiet development.

Bottom line: The pattern: his career peaked in 2018 with 100 Days My Prince, then stepped up to a lead in 2024. The next step may be a major streaming series.

Is Kim Jae‑young in the drama 100 Days My Prince?

Yes, he played a central supporting role. According to Wikipedia (crowd‑sourced encyclopedia), Kim Jae‑young portrayed the character Jung Je‑yoon (also credited as Moo‑yeon / Yoon Seok‑ha), a royal officer involved in the palace conspiracy. The drama aired on tvN from September to November 2018 and became one of the highest‑rated cable dramas of that year.

Role in 100 Days My Prince

Jung Je‑yoon is a young scholar who helps the amnesiac prince (played by Do Kyung‑soo) navigate his lost memories. Kim’s performance earned praise for its emotional depth and helped him gain wider recognition (Wikipedia).

Drama overview

100 Days My Prince is a historical romantic comedy with a twist: a crown prince loses his memory and lives as a commoner for 100 days. It topped Nielsen Korea ratings and boosted the profiles of its supporting cast, including Kim Jae‑young.

“His performance as Jung Je‑yoon in 100 Days My Prince marked a turning point in his career, moving him from supporting roles to more prominent parts.”

– Wikipedia entry on Kim Jae‑young

Why this matters

For viewers searching “Is Kim Jae‑young in 100 Days My Prince?”, the answer confirms that this drama is his most recognized work. It’s the reason many fans know him today.

What upcoming dramas does Kim Jae‑young have?

As of early 2025, Kim Jae‑young has two confirmed projects, neither of which is a lengthy drama series. The primary upcoming title is My Lovely Journey, set to air on Channel A in 2025, where he plays Lee Yeon‑Seok (AsianWiki (Asian drama database)). He also has a cameo appearance in the Netflix series When Life Gives You Tangerines (2025) as a driver in episode 7 (AsianWiki).

My Lovely Journey (Channel A, 2025)

  • Role: Lee Yeon‑Seok
  • Status: Enlisted on Viki as upcoming (Viki (streaming platform))
  • No air date or episode count confirmed yet

Cameo in When Life Gives You Tangerines (Netflix, 2025)

  • Role: Driver in episode 7 (AsianWiki)
  • This series stars IU and Park Bo‑gum, so it’s a high‑visibility cameo

No other drama or movie has been officially announced. The agency Namoo Actors has not released any additional statements beyond these two projects (Namoo Actors (official agency site)).

The trade‑off

With only one leading role and a cameo on the 2025 slate, Kim Jae‑young is not overexposed — but fans hoping for a full drama may have to wait until the second half of the year.

Is Kim Jae‑young married?

According to available public records and interviews, Kim Jae‑young is not married and has never publicly confirmed a girlfriend (Wikipedia (crowd‑sourced encyclopedia)). He keeps his personal life private, and no reliable source has reported a spouse or fiancée.

Marital status

Born September 30, 1988, Kim Jae‑young is 36 years old but has not shared any marriage plans. His IMDb and Wikipedia profiles list no spouse (IMDb (industry standard)).

Rumored relationships

No confirmed dating history. Occasionally fans speculate based on social media posts, but Kim has never addressed rumors. His Instagram feed shows work behind‑the‑scenes and personal moments, but no romantic clues (Instagram @kimjae_young).

“Kim Jae‑young is known for being private about his personal life; he rarely gives interviews about relationships.”

– AsianWiki profile of Kim Jae‑young

What is Kim Jae‑young’s Instagram handle?

His verified Instagram account is @kimjae_young (Instagram @kimjae_young). He regularly posts behind‑the‑scenes photos, travel snapshots, and promotions for his dramas. As of early 2025, he has over 200,000 followers.

Other social media

Kim Jae‑young also has an active profile on the official Namoo Actors website (Namoo Actors (official agency site)). He is not on Twitter or known to have a personal YouTube channel.

If you follow him, you’ll get updates on his projects and occasional glimpses of his day‑to‑day life.

Timeline

  • 2012 – TV debut in Roller Coaster 2 (Wikipedia)
  • 2013 – Film debut in No Breathing (MyDramaList)
  • 2015 – Notable role in Hello Monster (Wikipedia)
  • 2018 – Breakthrough in 100 Days My Prince (Wikipedia)
  • 2024 – Lead role in The Judge from Hell (AsianWiki)

Confirmed facts

  • Debut year 2012 (Wikipedia)
  • Films and TV shows on Wikipedia (Wikipedia)
  • Instagram handle @kimjae_young (Instagram)

What’s unclear

  • Marital status – not confirmed publicly (Wikipedia)
  • Current relationship status (Wikipedia)
  • Exact upcoming projects beyond 2025 (AsianWiki)

“Kim Jae‑young began his acting career in 2012 and is under Namoo Actors.”

– Wikipedia entry on Kim Jae‑young

“Upcoming drama ‘My Lovely Journey’ (Channel A, 2025) starring Kim Jae‑young as Lee Yeon‑Seok.”

– AsianWiki profile

Summary

Kim Jae‑young has quietly built one of the most consistent filmographies among Korean actors of his generation.

From a supporting breakthrough in 100 Days My Prince to his first lead in The Judge from Hell, he has shown range across historical, romantic, and thriller genres. With only two minor projects confirmed for 2025 and no major broadcast drama announced, his next move is still unknown. For K‑drama fans following his career, the near‑term choice is to rewatch his existing work — or wait for his agency to reveal a bigger project later in the year.

Additional sources

rottentomatoes.com

Frequently asked questions

What is Kim Jae‑young’s most popular drama?

His most widely recognized drama is 100 Days My Prince (2018), where he played Jung Je‑yoon. It gained high ratings and helped him break into the mainstream.

How many dramas has Kim Jae‑young been in?

According to Wikipedia, he has appeared in 18 television series since 2012.

Does Kim Jae‑young have any upcoming movies?

As of early 2025, he has no confirmed film projects. His upcoming works are the TV drama My Lovely Journey and a cameo in Netflix’s When Life Gives You Tangerines.

Who is Kim Jae‑young’s co-star in The Judge from Hell?

In the 2024 SBS drama The Judge from Hell, his leading co‑star was Park Shin‑hye, who played the devilish judge Kang Bit‑na.

What is Kim Jae‑young’s role in 100 Days My Prince?

He portrayed Jung Je‑yoon (also credited as Moo‑yeon / Yoon Seok‑ha), a loyal royal officer central to the memory‑loss plot.

Is Kim Jae‑young active on Instagram?

Yes, his verified Instagram handle is @kimjae_young, where he posts behind‑the‑scenes content and personal updates.

When did Kim Jae‑young debut?

He made his acting debut in 2012 with the TV series Roller Coaster 2.

What is Kim Jae‑young’s height?

He is 186 cm tall, making him one of the taller actors in the Korean drama industry.

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