Manhole

Kim Jae-joong

Bong Pil

Uee

Kang Soo Jin

Cha Sun-woo

Jo Seok Tae

Jung Hye-sung

Oh Jin Suk

Ju Jin-mo

Bong Pil's father

Kim Hye-ok

Bong Pil's mother

Seo Hyun-chul

Soo Jin's father

Lee Yeon-kyung

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