By Dramabeans
Kang Hyun-jo
Lim Cheol-kyeong Choi Hyun-wook as teenager Lim Cheol-kyeong
Il-man's wife, the president of a health center who makes a living by illegally catching snakes.
Se-wook
Kim Nam-sik, former ranger of Jirisan National Park.
Lee Yang-sun
Kim Gye-hee
Jo Dae-jin
Kim Woong-soon, a police officer.
Kang Seung-ah, Kang Hyun-jo's sister.
Geum-ri
Kim Sol, a park volunteer
Lee Da-won, a rookie ranger.
Il-man's son and his mother is the president of a health center.
Dr. Yoon Su-jin
Teenager Lim Cheol-kyeong
Narrator
Jung Goo-young
Hee-won, climber visiting Jirisan National Park.
Teenager Seo Yi-kang
Lee Hyun-sook, Kang Hyun-jo's mother.
Kang Oh-hyeon, Kang Hyun-jo's father.
Seo Yi-kang Kim Do-yeon as teenager Seo Yi-kang Kang Ji-woo as young Seo Yi-kang
Hong Young-mi
Park Il-hae, the ranger team leader.
