Moon Seong-hyun

Vincenzo

as Jang Han Seok [Teen]

Hometown Cha-Cha-Cha

as Hong Doo-shik (teenager)

Reborn Rich

as Jin Seong-jun (young)

Under the Queen's Umbrella

as Prince Shimso

Shooting Stars

as Gong Tae-seong (teen)

Dr. Cheon and the Lost Talisman

as Dr. Cheon [Young]

Level 9 Chairman

as Na Yi-soo

Fragment