Cast
Song Hye-kyo
Kang Mo-yeon
Song Joong-ki
Yoo Shi-jin
Kim Ji-won
Yoon Myung-joo
Jin Goo
Seo Dae-young
Onew
Lee Chi-hoon
Kang Shin-il
Lieutenant General Yoon
Cho Tae-kwan
Daniel Spencer
Jo Jae-yun
Jin Young-soo
Hyun Jyu-ni
Doctor Pyo
Jeon Soo-jin
Ri Ye-hwa
Lee Seung-joon
Song Sang-hyun
Kim Min-seok
Kim Ki-bum
Ahn Bo-hyun
Sergeant Im Gwang-nam
David Lee McInnis
Argus
Lee Yi-kyung
Kang Min-jae
Kim Byung-chul
Park Byung-soo
Park Hwan-Hee
Choi Min-Ji
Elena Zhernovaya
Valentine
Jo Woo-ri
Jang Hee-eun
Tae In-ho
Han Seok-won
Seo Jeong-yeon
Nurse Ha Ja-ae
Park Hoon
Choi Woo-geun
Choi Woong
Gong Cheol-ho
Shin Dong-hoon
Agent
Kim Hyo Myung
Thug
Ariane Desgagnés-Leclerc
Valentine
Crew
Kim Eun-sook
Writer
(Writing)
Lee Eung-bok
Director
(Directing)
Kim Won-suk
Writer
(Writing)
Baek Sang-Hoon
Director
(Directing)
Yoo Jong-sun
Director
(Directing)
Chen
Theme Song Performance
(Sound)
Kang Min-kyung
Theme Song Performance
(Sound)
Gummy
Theme Song Performance
(Sound)
Lee Hae-ri
Theme Song Performance
(Sound)
Yoon Mi-rae
Theme Song Performance
(Sound)
Yoo Young-eun
Assistant Director
(Directing)
Ham Yeong-hoon
Producer
(Production)
Kim So-yeon
Production Design
(Art)
Kim Na-young
Vocals
(Sound)
Bae Jin Young
Vocals
(Sound)
Lee Hae-ri
Vocals
(Sound)
Mad Clown
Vocals
(Sound)
Kim Jun-su
Vocals
(Sound)
LYN
Vocals
(Sound)
K.Will
Vocals
(Sound)