Moon Ji-yoon

The Sound of Your Heart

Jo Suk's colleague

Big

Na Hyo-Sang

The Merciless

Young-geun

Whatcha Wearin'?

Young-min

Cheese in the Trap

Kim Sang-chul

Golden Garden

Lee Sung-wook

Spin Kick

Hyuk-soo

How Are U Bread

Romance

Choi Jang-Bi

Mr. Wacky

Lee Heon-jun

Pink Lipstick

Yoo Sung-eun

Twenty Years Old

Sang-hyuk