맨홀

김재중

Bong Pil

Uee

Kang Soo Jin

차선우

Jo Seok Tae

정혜성

Oh Jin Suk

주진모

Bong Pil's father

김혜옥

Bong Pil's mother

Seo Hyun-chul

Soo Jin's father

이연경

Soo Jin's mother

Kang Hong-suk

Bong Pil's friend

Seo Min-ji

Bong Pil's friend

Jang Mi-kwan

Kang Jae Hyun [Soo Jin's fiance]

Lee Sang-yi

Oh Dal-Soo