Characters played by Ha Ji-Won
Cha Hae-joon
Characters played by Sung-Ki Ahn
Lee Jeong-man
Characters played by Ji-Ho Oh
Kim Dong-soo
Characters played by Ye-ryeon Cha
Genetic researcher Park Hyeon-jeong
Characters played by Han-wi Lee
Dr. Jang Moon-hyeong
Characters played by Cheol-min Park
Do Sang-goo
Characters played by Sae-byeok Song
Go Jong-yoon
Characters played by Jeong-hak Park
Captain Hwang In-hyeok
Characters played by Yeong-soo Park
Jang Chi-soon
Characters played by Min-Seok Oh
Yoon Hyeon-woo
Characters played by Yin-gi Jeong
Hae-joon's father
