: Kim Hyun-joong (as the genius Baek Seung-jo) and Jung So-min (as the clumsy but determined Oh Ha-ni).
For many Vietnamese fans, this was one of the first "Hallyu" dramas that introduced them to the world of K-dramas. 📺 Where to Watch Playful Kiss Today Playful Kiss Tap 1 Vietsub
If you want to find Episode 1 with Vietnamese subtitles: : Kim Hyun-joong (as the genius Baek Seung-jo)