As One

Ha Ji-won

Hyun Jung-hwa

Bae Doona

Li Bun-hui

Han Ye-ri

Yu Sun-bok

Park Cheol-min

Coach Lee

Kim Eung-soo

Director Cho

Lee Jong-suk

Choi Kyung-sub

Oh Jung-se

Oh Du-man

Park Young-seo

Chu Il-seong

Chun Woo-hee

Jung-hwa's Younger Sister

Choi Yoon-young

Choi Yeon-jung

Kim Jae-hwa

Deong-ya-ryeong

Jo Min-jae

Ri Seung-il

Jang Liu

Wang Ming

Lee Sang-won

North Korea Defense Agent