Yoo Si-jin

Joong-ki Song

Yoo Si-jin

Song Joong-ki

Kang Mo-yeon

Hye-kyo Song*

Kang Mo-yeon

Song Hye-kyo

Yoon Myung-ju

Ji-won Kim

Seo Dae-young

Jin Goo

Seo Dae-young

Goo Jin

Yoon Myung-ju

Kim Ji-won

Yoon Gil-joon

Kang Shin-il

Argus

David Lee McInnis

Lee Chi Hoon

Onew

Kim Gi-bum

Kim Min-seok

Song Sang-hyun

Lee Seung-joon

Pyo Ji-soo

Hyun Jyu-ni

Daniel Spencer

Cho Tae-kwan

Kang Min-jae

Lee Yi-kyung

Jin Young-soo

Jo Jae-yun

Ri Ye-hwa

Jeon Soo-jin

Jin Young-soo

Jo Jae-yoon

Chi Hoon's mother

Park Jun-geum

Sergeant Im Gwang-nam

Ahn Bo-hyun

Park Byung-soo

Kim Byung-chul

Choi Min-Ji

Park Hwan-Hee

Valentine

Elena Zhernovaya

Jang Hee-eun

Jo Woo-ri

Han Seok-won

Tae In-ho

Nurse Ha Ja-ae

Seo Jeong-yeon

Choi Woo-geun

Park Hoon

Gong Cheol-ho

Choi Woong

Agent

Shin Dong Hoon

Thug

Kim Hyo Myung

Captain Jordan

Matthew Douma