Twenty Years Old, Because This Is My First Love.

Lee Hong-gi

Cha Yool

Jung Hye-sung

Goo Na Ra

Choi Woong

Bong Joon Mo

Kim Do-kyung

Jeong Seong-hoon

Jang Seung Woo

Andy Park

Moon Soo-bin

Lee Soo Ji

Lee Il-hwa

Gong Doo Shim

Park Hyun-suk

Kang Soo Hyun

Han Sang-jin

Song Shi Kyung

Kim Bo-mi

Lee Young Joo

Choi Jung-woo

Lee Dong Jae

Kim Kang-hyun

Park Sung Soo

Kim Min-kyung

Tak Hyun Jin