Sinkhole

Cha Seung-won

Man-soo

Kim Sung-kyun

Dong-won

Lee Kwang-soo

Manager Kim

Kwon So-hyun

Yeong-e

Kim Hye-jun

Eun-joo

Kim Jae-hwa

Kyung-mi

Nam Da-reum

Seung-tae

Jung Young-sook

Grandma Oh

Lee Hak-ju

Manager Jung

Han Hye-rin

Hyo-jung

Kim Geon-u

Soo-chan

Oh Ja-hun

Seong-hoon

Na Chul

Min-jun

Kim Hong-pa

Director Seo

Park Ock-chool

Seong-hoon's Mother

Ko Chang-seok

Fire Chief

Jung Yun-ha

Young Mother

Kim Byung-chul

Husband

Jang Gwang

Neighbor

Jung Seo-in

Landlady