Main Characters Lee Jang Woo 20 main appearances Kim Soo Yun 20 main appearances Shin Tae Ho 20 main appearances
Recurring Guest Characters Female doctor Myung Joo 3 guest appearances Lee Joo Hwan 2 guest appearances North Korean commissioned officer Jo Sang Wi 2 guest appearances Cha Shi 2 guest appearances Young Soo Yun 1 guest appearances Yang Kang Tae 1 guest appearances Jong Ki's hometown girl 1 guest appearances Kim Bok Soo 1 guest appearances Ma Chang Kil 1 guest appearances Bong Soon 1 guest appearances Older Jang Woo 1 guest appearances Older Tae Ho 1 guest appearances Female Soldier Taking Care of Older Jang Woo 1 guest appearances ⇤ « 1 2 » ⇥