Cast Members (35)
Song Hye-kyo
as Kang Mo-yeon
16 episodes
Song Joong-ki
as Yoo Shi-jin
16 episodes
Kim Ji-won
as Yoon Myung-joo
16 episodes
Jin Goo
as Seo Dae-young
16 episodes
Onew
as Lee Chi-hoon
16 episodes
Kang Shin-il
as Lieutenant General Yoon
16 episodes
Cho Tae-kwan
as Daniel Spencer
16 episodes
Jo Jae-yun
as Jin Young-soo
16 episodes
Hyun Jyu-ni
as Doctor Pyo
16 episodes
Jeon Soo-jin
as Ri Ye-hwa
16 episodes
Lee Seung-joon
as Song Sang-hyun
16 episodes
Kim Min-seok
as Kim Ki-bum
16 episodes
Ahn Bo-hyun
as Sergeant Im Gwang-nam
16 episodes
David Lee McInnis
as Argus
16 episodes
Lee Yi-kyung
as Kang Min-jae
16 episodes
Kim Byung-chul
as Park Byung-soo
16 episodes
Park Hwan-Hee
as Choi Min-Ji
16 episodes
Elena Zhernovaya
as Valentine
16 episodes
Jo Woo-ri
as Jang Hee-eun
16 episodes
Tae In-ho
as Han Seok-won
16 episodes
Seo Jeong-yeon
as Nurse Ha Ja-ae
16 episodes
Park Hoon
as Choi Woo-geun
16 episodes
Choi Woong
as Gong Cheol-ho
16 episodes
Shin Dong-hoon
as Agent
16 episodes
Kim Hyo Myung
as Thug
16 episodes
Ariane Desgagnés-Leclerc
as Valentine
16 episodes
Matthew Douma
as Captain Jordan
3 episodes
Yoo Ah-in
as Bank Clerk Uhm Hong-sik
1 episode
Derek Chouinard
as U.S. Army Doctor
1 episode
Anupam Tripathi
as Man that gives the shoe to Dr. Kang
2 episodes
Wendy
as Self
1 episode
Irene
as Self
1 episode
Joy
as Self
1 episode
Seulgi
as Self
1 episode
Yeri
as Self
1 episode