Decision to Leave— Full Cast

Tang Wei

as Song Seo-rae

Park Hae-il

as Jang Hae-joon

Lee Jung-hyun

as Jeong-ahn

Go Kyung-pyo

as Soo-wan

Park Yong-woo

as Lim Ho-shin

Kim Shin-young

as Yeon-su

Yoo Seung-mok

as Ki Do-soo

Jung Yi-seo

as Mi-ji

Jung Young-sook

as Monday Granny

Lee Hak-ju

as Lee Ji-goo

Park Jeong-min

as Hong San-oh

Jeong Ha-dam

as Oh Ga-in

Seo Hyun-woo

as Cheol-seong

Teo Yoo

as Assistant Manager Lee

Shin An-jin

as Mountain Lifeguard