Pemeran Hello, My Twenties!

Han Ye Ri

as Yun Jin Myeong

Pemeran Utama

Han Seung Yeon

as Jung Ye Eun

Pemeran Utama

Park Eun Bin (박은빈)

as Song Ji Won

Pemeran Utama

Ryu Hwa Young

as Kang I Na

Pemeran Utama

Park Hye Soo (박혜수)

as Yoo Eun Jae

Pemeran Utama

Yoon Bak (윤박)

as Park Jae Wan [Chef]

Pemeran Pembantu

Moon Sook

as [Belle Epoque landlady]

Pemeran Pembantu

Park Se Mi

as Cho Hyeon Hui [Restaurant waitress]

Pemeran Pembantu

Kim Kyung Nam

as [Psychology major]

Pemeran Pembantu

Kim Chang Hwan

as [Insurance company employee]

Pemeran Pembantu

Lee Na Yoon

as Yoo Eun Jae [Young]

Pemeran Pembantu

Tak Woo Suk

Pemeran Pembantu

Lee Jung Hyun

as [Backpack bus passenger] (Ep. 1)

Bintang Tamu

Park Sang Nam

as [Coffee shop waiter / Barista] (Ep. 3)

Bintang Tamu

Park Kyung Hye

as [New candidate for a roommate] (Ep. 4)

Bintang Tamu

Joey Albright

as Samuel Johnson [Invited party guest] (Ep. 5)

Bintang Tamu

Ham Na Young

as Jae Yeon [Stumbled girl] (Ep. 8)

Bintang Tamu

Kim Si Eun

as Jin Myeong

Bintang Tamu

Kim Dan Woo

as Yoo Eun Jae [Child]

Bintang Tamu

Hong Seung Beom

as [Physician]

Bintang Tamu

Dong Hyun Bae

as [Kitchen porter]

Bintang Tamu

Cha Bo Sung

as [Blind date man]

Bintang Tamu

Jung Yoo Min

as [Dancing student]

Bintang Tamu

Yoo Joo Won

as [Son in bicycle scene]

Bintang Tamu

Lee Chae Kyung

as [Professor in the Department of Food and Nutrition]

Bintang Tamu

Ham Jin Sung

as [Station attendant]

Bintang Tamu

Kim I So

as [College student]

Bintang Tamu

Han Seong Hyeon

as [Student]

Bintang Tamu

Jang Tae Min

Bintang Tamu

Lee Jae Eun

Bintang Tamu

Kang So Eun

Bintang Tamu

Lee Jin Mok

Bintang Tamu

Hong Hee Won

Bintang Tamu

Jung Myung Joon

Bintang Tamu

Choi Gyo Shik

Bintang Tamu

Moon Ki Young

Bintang Tamu

Kim Sun Bin

Bintang Tamu

Kwon Young Kyung

Bintang Tamu

Seol Chang Hee

Bintang Tamu

Ahn Soo Bin

Bintang Tamu

Seon Ah Rin

Bintang Tamu

Kwon Oh Kyung

Bintang Tamu

Geum Joon Hyun

Bintang Tamu

Lee Nam Yeon

Composer

Lee Tae Gon

Sutradara

Park Yeon Sun

Screenwriter