

A team of expert mountain rangers put their lives on the line to save stranded trekkers, solve haunting mysteries and protect Jirisan National Park.

Seo Yi-gang

Kang Hyun-jo

Jo Dae-jin

Jeong Goo-young

Park Il-hae

Lee Yang-seon

Lee Da-won

Kim Eung-soon

Lee Moon-ok

Kim Sol

Police Officer

Kim Gye-hee

Yang Geun-tak

Choi Hee-won

Choi Il-man's Wife

Jang Hak-su

Hwang Joo-ho

Kim Hyeon-su

Lee Se-wook

Yang Geun-tak (young)

Jo Dae-jin (young)

Kim Jae-gyeong

Kim Sol (child)

Choi Il-man (young)

Jin-hyung

Kim Gye-hee (young)

Kim Seong-suk

Seo Yi-gang (teen)

Ranger

Lee Geum-rye

Ahn Jae-seon

Choi Il-man's Son

Choi Il-man's Daughter

Choi Il-man's Daughter

Heo Jin-ok

Ranger

Lee Jong-gu

Kim Jin-deok

Kim Nam-sik

Heo Jin-ok (young)