*This content was translated by AI.

Actor Kim Young-jae will make a special appearance in '21st Century Grand Duchess', showcasing a new side of himself.
On the 7th, his agency UL Entertainment announced that Kim Young-jae will make a special appearance in the MBC Friday-Saturday drama '21st Century Grand Duchess' (script by Yoo Ji-won, directed by Park Jun-hwa and Bae Hee-young, planned by Kang Dae-seon, produced by MBC and Kakao Entertainment). '21st Century Grand Duchess' is a romance about breaking through fate and social status, set in a 21st-century constitutional monarchy in South Korea. It follows the story of a woman who has everything but is frustrated by her commoner status, and a man who is the son of a king but can possess nothing.
While '21st Century Grand Duchess' is currently captivating viewers, Kim Young-jae will join the cast as Do Seung-ji, bringing new enjoyment. Kim Young-jae's character, Do Seung-ji, is a pivotal figure who brings a new turning point to the story and will display solid acting chemistry with co-stars Byun Woo-seok and Gong Seung-yeon.
Currently, Kim Young-jae is appearing in SBS's 'It Was Sold Out Again Today' and is also set to appear in '21st Century Grand Duchess', hinting at a new side of himself.
Meanwhile, MBC's '21st Century Grand Duchess' airs every Friday and Saturday at 9:50 p.m.
<© STARNEWS. All rights reserved. No reproduction or redistribution allowed.>
*This content was translated by AI.

![Ha Ji-won on why she increased muscle mass and lost weight: "Taking responsibility for the deposit" [Class of '26]](https://image.starnewskorea.com/cdn-cgi/image/f=auto,w=271,h=188,fit=cover,g=face/21/2026/05/2026050718072379712_1.jpg)






![Jennie, 'Met Gala' 540-Hour Production Dress: "Thank You to Chanel for Realizing My Mermaid Dream" [Star Issue]](https://image.starnewskorea.com/cdn-cgi/image/f=auto,w=567,h=378,fit=cover,g=face/21/2026/05/2026050711082032053_1.jpg)

![Male contestant of 'I Am Solo' Season 25, accused of sexual assault, receives suspended prison sentence even in the second appeal [Star Issue]](https://image.starnewskorea.com/cdn-cgi/image/f=auto,w=567,h=378,fit=cover,g=face/21/2026/05/2026050716035410692_1.jpg)

