"This time-slip drama centers around Bong Pil and his five friends who travel between the past and present through a manhole in order to stop a wedding scheduled a week later."
Kim Jae-joong
as Bong Pil
Uie
as Kang Soo Jin
Cha Sun-woo
as Jo Seok Tae
Jung Hye-sung
as Oh Jin Suk
Ju Jin-mo
as Bong Pil's father
Kim Hye-ok
as Bong Pil's mother
Seo Hyun-chul
as Soo Jin's father
Lee Yeon-kyung
as Soo Jin's mother
Kang Hong-suk
as Bong Pil's friend
Seo Min-ji
Jang Mi-kwan
as Kang Jae Hyun [Soo Jin's fiance]
Lee Sang-yi
as Oh Dal-Soo
Seo Yeong
as
Kim Yeong-ok
Jeong In-gi
Woo Hyeon
as Suk Tae's father
Jin Hyun-kwang
as Studio President
Cho Seo-hoo
Baek Sang-hee
as Blind date
Yoo Young-eun
Director
Lee Jae-gon
Screenplay
Park Man Young