After a chance meeting in a hospital, an ardent soldier falls for a gifted surgeon. Opposing philosophies tear them apart, but fate has other plans.
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 Byong-chul
Park Byung-soo
Park Hwan-hee
Choi Min-Ji
Olena Zhernova
Valentine
Jo Woo-ri
Jang Hee-eun
Tae In-ho
Han Seok-won
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 Byong-chul
Park Byung-soo
Park Hwan-hee
Choi Min-Ji
Olena Zhernova
Valentine
Jo Woo-ri
Jang Hee-eun
Tae In-ho
Han Seok-won
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 Byong-chul
Park Byung-soo
Park Hwan-hee
Choi Min-Ji
Olena Zhernova
Valentine
Jo Woo-ri
Jang Hee-eun
Tae In-ho
Han Seok-won