So Ji-sub

Lee Jang-woo

김하늘

Kim Soo-yeon

Choi Min-soo

Yoon Sam-soo

윤계상

Shin Tae-ho

손창민

Oh Jong-ki

Kim Jin-woo

Kim Soo-hyuk

Nam Bo-ra

Kim Soo-hee

줄리엔 강

U.S. Marine Corps Platoon Leader

한예리

Jo In-sook

Noh Young-hak

Heo Chan-shik

송재희

Yang Kang-tae

Kim You-jung

young Soo-yeon

Lee Jin-seong

Jo In-je

최불암

older Tae-ho

정소영

Caméo

황보라

Girl from Jong Ki's hometown

민복기

Park Dal Moon