1. Hyun Bin 

This Crash Landing On You and Memories Of The Alhambra star is actually 38 years old. Who would have guessed?

2. Son Ye-jin

Our beloved South Korean heiress, Yoon Se-ri from Crash Landing On You is 39 years old and currently dating co-star Hyun Bin. She has also acted in hit dramas like Something In The Rain and Secret Garden. 

3. Jung Hae-in

This Korean actor famous for his roles in Tune in for Love and One Spring Night is actually 32 years old and could still pass off as a teenager. 

4. Han Ji-min

This critically-acclaimed actor who wooed us with her roles in One Spring Night and The Light in Your Eyes is 38 years old. 

5. Kim Seon-ho

Our latest crush from Start-Up, Kim Seon-ho with his adorable dimples is 34 years old and was also a part of the hit-drama Welcome to Waikiki 2. 

6. Gong Yoo 

Famous for his work in Guardian: The Lonely and Great God and Train To Busan, this brilliant actor is 41 years old. 

7. Lee Dong-wook 

Touch Your Heart and Guardian: The Lonely and Great God star, Lee Dong-wook sure doesn’t look it but he is actually 39 years old. Can you believe that?

8. Lee Jong-suk 

This Romance Is a Bonus Book actor might look like he just graduated but is actually 31 years old. Cue the gasps. 

9. Park Seo-joon 

Famous for his roles in Itaewon Class, What’s Wrong with Secretary Kim? and his cameo in Parasite, Park Seo-joon is 32 years old. 

10. Kang Han Na

The Start-Up and Familiar Wife star and RJ is 31 years old and recently made a cameo in the hit drama, Record Of Youth. 

11. Yoo In-na 

Famous for her pairing with Lee Dong-wook in Touch Your Heart and Guardian: The Lonely and Great God, Yoo In-na is 38 years old.

12. Song Joong-ki 

This Descendants of the Sun star will next be seen in Netflix’s Victory (Space Sweepers) and is 35 years old. 

13. Song Hye-kyo

This brilliant Descendants of the Sun and Encounter actor is actually 39 years old. 

14. Lee Min-ho

Famous for his roles in Boys Over Flowers, Legend of the Blue Sea and The Heirs, this legendary actor is 33 years old. 

15. Park Shin-hye 

This The Heirs actor who was last seen in Netflix’s Call is 30 years old. Who would have guessed?

16. Park Hae-jin 

Famous for Cheese in the Trap and Forest, this handsome actor is 37 years old. 

17. Ji Chang-wook 

This 33-year-old star from Backstreet Rookie and Lovestruck In The City is still a kid at heart for sure. 

18. Kim Soo-hyun 

This It’s Okay to Not Be Okay star is 32 years old and we’re as shocked as you are. 

19. Park Min-young 

Famous for her roles in When the Weather Is Fine, Her Private Life and What’s Wrong with Secretary Kim?, Park Min-young is 34 years old. 

20. Bae Doona

This Sense8 star, all set to be a part of Netflix’s next, The Silent Sea alongside Gong Yoo is 41 years old and immensely talented. 

Which star surprised you the most?