Pemeran 18 Again

Kim Ha Neul

as Jung Da Jeong

Pemeran Utama

Yoon Sang Hyun

as Hong Dae Yeong [Adult]

Pemeran Utama

Lee Do Hyun (이도현)

as Hong Dae Yeong [Teen] / Ko U Yeong

Pemeran Utama

Roh Jeong Eui (노정의)

as Hong Si A

Pemeran Pembantu

Ryeo Un (려운)

as Hong Si U

Pemeran Pembantu

Wi Ha Joon (위하준)

as Ye Ji Hun

Pemeran Pembantu

Kim Kang Hyun

as Ko Deok Jin

Pemeran Pembantu

Lee Mi Do

as Chu Ae Rin

Pemeran Pembantu

Choi Bo Min

as Seo Ji Ho

Pemeran Pembantu

Hwang In Youp (황인엽)

as Koo Ja Seong

Pemeran Pembantu

Oh So Hyun

as Jeon Bo Bae

Pemeran Pembantu

Lee Eun Jae

as Um So Mi

Pemeran Pembantu

Ryu Da In

as Hwang Yeong Seon

Pemeran Pembantu

Bin Chan Uk

as Bang Gi Yeong

Pemeran Pembantu

Kim Yoo Ri

as Ok Hae In

Pemeran Pembantu

Ahn Nae Sang

as Moon Sang Hwi

Pemeran Pembantu

Jang Hyuk Jin

as Heo Ung Gi

Pemeran Pembantu

Kim Yoon Hye

as Kwon Yu Mi

Pemeran Pembantu

Go Eun Min

as Im Ja Yeong

Pemeran Pembantu

Yang Dae Hyuk

as Nam Gi Tae

Pemeran Pembantu

Kim Mi Kyung

as Yeo In Ja

Pemeran Pembantu

Lee Byung Joon

as Hong Ju Man

Pemeran Pembantu

Lee Ki Woo (이기우)

as Choi Il Gwon

Pemeran Pembantu

Yoo Si Yeon

as Ko U Jin

Pemeran Pembantu

Han So Eun (한소은)

as Jung Da Jeong [Young]

Pemeran Pembantu

Kim Joong Ki

as [Teacher]

Pemeran Pembantu

Kim Yun Jeong

as [Go Go Play employee]

Pemeran Pembantu

Moon Woo Bin

as [Go Go Play employee]

Pemeran Pembantu

Choi Jae Hwan

as Jin Cheol

Bintang Tamu

Jun Hyun Moo

as Bae Seung Hyun

Bintang Tamu

Ahn Mi Na

as Choi Ji Na

Bintang Tamu

Park Min Young

as Jin Yeong

Bintang Tamu

Park Yong

as Kang Jae Seon

Bintang Tamu

Seo Yi Soo

as Yoo Ju

Bintang Tamu

Kim Hye Hwa

as Lee Bo Ra

Bintang Tamu

Yoon Jung Hoon

as Park Hui Seong

Bintang Tamu

Lee Do Ha

as Lee Sang Sik

Bintang Tamu

Lee Do Yeon

as [Convenience store customer] (Ep. 1)

Bintang Tamu

Hwang Dae Ki

as Ko Deok Jin [Young] (Ep. 1-2, 9)

Bintang Tamu

Lee Nam Gyeong

as Hong Si A [Young] (Ep. 1, 3, 9, 12-13)

Bintang Tamu

Oh Ja Hun

as Hong Si U [Young] (Ep. 1, 3, 8-9, 12)

Bintang Tamu

Jun Eun Mi

as [Pharmacist] (Ep. 2)

Bintang Tamu

Moon Hak Jin

as [Audition staff] (Ep. 2)

Bintang Tamu

Kim Han Sang

as [Construction company employee] (Ep. 2)

Bintang Tamu

Jang Sung Kyu

as [Self / JBC Interviewee] (Ep. 2)

Bintang Tamu

Kim Sun Min

as Choi Il Gwon [Young] (Ep. 2-3, 5, 7, 9)

Bintang Tamu

Seo Ha Yoon

as Hong Si A [Child] (Ep. 2-4)

Bintang Tamu

Kim Kang Hoon

as Seo Ji Ho [Young] (Ep. 3-4)

Bintang Tamu

Myung Seok Geun

as [Sports news staff] (Ep. 3-4)

Bintang Tamu

Park Kang Sub

as [Seum Wolves catcher] (Ep. 3-4)

Bintang Tamu

Lee Cheon Mu

as Hong Si U [Child] (Ep. 3, 8)

Bintang Tamu

Park Tae Yun

as [Bully] (Ep. 4)

Bintang Tamu

Kang Hak Soo

as [Seum Wolves GM] (Ep. 4)

Bintang Tamu

Im Yong Soon

as [Judge] (Ep. 5)

Bintang Tamu

Jang Joon Hyun

as Coach Jung [Hangkuk University Basketball coach] (Ep. 5, 7, 9)

Bintang Tamu

Jang Jae Kwon

as [Alumni] (Ep. 5, 14)

Bintang Tamu

Kim Sung Yong

as [JBC executive] (Ep. 6)

Bintang Tamu

O Gyu Taek

as [Shoe repairman] (Ep. 6)

Bintang Tamu

Lee Ju Mi

as [Mother of hearing impaired child] (Ep. 6)

Bintang Tamu

Go Han Min

as Reporter Kim (Ep. 6, 8, 13)

Bintang Tamu

Hong Ye Ji

as [Shoe saleswoman] (Ep. 6, 14)

Bintang Tamu

Yoo Joon Hoo

as Ye Ji Hun [Child] (Ep. 7)

Bintang Tamu

Lee Yoon Sang

as [2014 tryout interviewer] (Ep. 8)

Bintang Tamu

Hur Jae

as [Coach at 2009 KBU draft] (Ep. 8)

Bintang Tamu

Lee Soo

as Koo Ja Seong [Child] (Ep. 9)

Bintang Tamu

Park Eun Young

as [Restaurant owner] (Ep. 9)

Bintang Tamu

Kim Dong Hyun

as [Self defense trainer] (Ep. 10)

Bintang Tamu

Do Won Kyung

as [Self] (Ep. 10-11)

Bintang Tamu

Moon Ji In

as ["Couples in Crisis"] (Ep. 11)

Bintang Tamu

Heo Jae Ho

as ["Couples in Crisis"] (Ep. 11)

Bintang Tamu

Lee Chae Eun

as ["Couples in Crisis"] (Ep. 11)

Bintang Tamu

Kim Ho Chang

as ["Couples in Crisis"] (Ep. 11)

Bintang Tamu

Richard Kim

as ["Couples in Crisis" panellist] (Ep. 11)

Bintang Tamu

Kwak Ja Hyung

as ["Couples in Crisis" panellist] (Ep. 11)

Bintang Tamu

Ki Eun Yoo

as Seo Ji Ho [Child] (Ep. 14)

Bintang Tamu

Heo Seon Haeng

as Choi Hyeon Seung (Ep. 14)

Bintang Tamu

Jung Sae Rom

as [Woman bumps Da Jeong] (Ep. 14)

Bintang Tamu

Yong Jin

as [Private investigator] (Ep. 14)

Bintang Tamu

Kim Hyun Chang

as [Detective] (Ep. 15)

Bintang Tamu

Nam Hee Soo

as [Reporter] (Ep. 16)

Bintang Tamu

Woo Sang Hee

as Seo Su Rin

Bintang Tamu

Han Ha Rang

as [Boy]

Bintang Tamu

Jeon Jeong Il

as [Dad]

Bintang Tamu

Sung Nam

as [Doctor]

Bintang Tamu

Hwang Sun Young

as [Lawyer]

Bintang Tamu

Kim Do Hyung

as [Detective]

Bintang Tamu

Park Beam Soo

as [Basketball team member]

Bintang Tamu

Park Ji Won

as [Delivery man]

Bintang Tamu

Song Da Kyung

as [Interview woman]

Bintang Tamu

Ho Sol Hee

as [University student]

Bintang Tamu

Shin Jun Chul

as [Seongjong Electronics employee]

Bintang Tamu

Jin Shi Won

Bintang Tamu

Yoon Tae Soo

Bintang Tamu

Jang Yoon Woo

Bintang Tamu

Lee Ji Myeong

Bintang Tamu

Cho Young Jik

Cinematography

Mun Seong Nam

Composer

Ha Byung Hoon

Sutradara

Kim Do Yeon

Screenwriter

Ahn Eun Bin

Screenwriter

Choi Yi Ryun

Screenwriter

Noreen Joyce Guerra

as [TV Station employee]

Extras Casting