Manhole: Reparto
Kim Jae-joong
Bong Pil
Uie
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
Woo Hyeon
Suk Tae's father
Jin Hyun-kwang
Studio President
Baek Sang-hee
Blind date