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Park Shin-hye and Go Kyung-pyo Lead Upcoming Comedy Mystery Drama "Undercover Miss Hong": Full Details!

Park Shin-hye and Go Kyung-pyo script reading for Undercover Miss Hong (Credits: tvN)
Park Shin-hye and Go Kyung-pyo script reading for Undercover Miss Hong (Credits: tvN)

Undercover Miss Hong is one of the most anticipated comedy mystery dramas of early 2026. Set in the late 1990s, this series combines undercover missions, corporate secrets, identity games, and nostalgic office vibes. With Park Shin-hye and Go Kyung-po leading the cast, the drama is already attracting strong attention from fans.


Below is everything you need to know before the premiere!


Story Overview


The drama follows Hong Geum Bo (Park Shin-hye), an elite supervisor at the Financial Supervisory Service. She is focused, confident, and only cares about her work. After spotting strange money movements inside a securities company, she goes undercover as a 20-year-old high school graduate named Hong Jang-mi.


Inside the company, she plays the role of a new rookie employee. Her goal is to track down hidden fund flows and find out who is behind them. The twist arrives when she meets Shin Jeong-woo (Go Kyung-pyo), the new CEO of Hanmin Securities.


Shin Jeong-woo is a skilled management consultant and a feared corporate raider. He believes numbers never lie, and he uses any method required to reach his targets. When he meets Jang-mi, he is confused because she looks exactly like Hong Geum-bo, a woman he once loved. Their connection soon becomes complex as secrets grow inside the office.


Undercover Miss Hong's Main Cast During Script Reading (Credits: tvN)
Undercover Miss Hong's Main Cast During Script Reading (Credits: tvN)

Cast Lineup and Character Highlights


  • Park Shin-hye as Hong Geum-bo and Hong Jang-mi


Park Shin-hye shines in her dual roles. She smoothly shifts between the sharp, career-focused Hong Geum-bo and the cheerful, younger Hong Jang-mi. Her transformation feels natural and shows why she is still one of the most dependable actresses in Korean dramas. Viewers are already loving how easily she brings both characters to life.


  • Go Kyung-pyo as Shin Jung Woo


Go Kyung-pyo plays Shin Jeong-woo, a CEO who trusts numbers more than people. He carries the character with a calm and confident energy that balances perfectly with Park Shin-hye’s undercover charm. His subtle expressions and steady performance help build the tension and chemistry between the leads.


  • Ha Yoon-kyung as Go Bok-hee


Ha Yoon-kyung adds warmth and spark as Go Bok-hee, the loyal secretary who becomes a big sister figure to undercover Geum-bo. She brings humor, ambition, and heart to the story, making her interactions with Park Shin-hye one of the fun highlights to look forward to.


  • Cho Han-gyeol as Albert Oh


Cho Han-gyeol portrays Albert Oh, a carefree, movie-loving grandson of a powerful chairman. His privileged yet playful personality adds a lighter mood to the drama’s corporate setting. He brings a refreshing contrast to the serious financial storyline.


  • Supporting Cast and Special Appearance


Choi Ji-su and Kang Chae-young join the cast as Geum-bo’s dorm friends, completing the drama’s friendly and relatable four-woman group. ITZY’s Yuna also makes a special appearance as the real Hong Jang-mi, adding extra charm and excitement to the drama’s 90s office environment!


Undercover Miss Hong's Supporting Cast During Script Reading (Credits: tvN)
Undercover Miss Hong's Supporting Cast During Script Reading (Credits: tvN)

Episodes and Airing Details


  • Episodes: 16

  • Airs From: January 17, 2026

  • Airs Till: March 8, 2026

  • Airs On: Saturday and Sunday

  • Original Network: tvN

  • Streaming Platform: Netflix



What Makes Undercover Miss Hong Special?


The blend of retro visuals, undercover comedy, emotional tension, and corporate mystery creates a refreshing tone that stands out from typical romance or thriller titles.


Park Shin-hye’s double role, Go Kyung-pyo’s grounded CEO personality, and the ensemble chemistry make the drama feel lively and engaging. With a mix of secrets, mistaken identity, and old feelings resurfacing, viewers can expect both laughter and heartfelt moments.



Final Thoughts


Undercover Miss Hong is shaping up to be a fun and engaging start to 2026! With its retro charm, undercover story, and strong cast, it may become a weekend favorite. Fans of mystery, romance, and workplace comedy will find plenty to enjoy!


Would you be able to survive undercover in a big company like Hong Jang-mi, or would you slip on day one?



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