Cast (18)

Kim Tae-ri

Na Hee-do

Nam Joo-hyuk

Baek Yi-jin

Bona

Ko Yu-rim

Choi Hyun-wook

Moon Ji-woong

Lee Ju-myoung

Ji Seung-wan

Kim Hye-eun

Yang Chan-mi

Choi Myeong-bin

Kim Min-chae

Joo Bo-young

Lee Ye-ji

Choi Min-yeong

Baek Yi-hyun

Kim So-hyun

Adult Na Hee-do

Park Yoon-hee

Baek Sung-hak

Kim Young-sun

Yi-jin's Mother

So Hee-jung

Seung-wan's Mother

Seo Jae-hee

Shin Jae-kyung

Lee Ye-jin

Park Han-sol

Heo Ji-na

Yu-rim's Mother

Kim Dong-gyun

Yu-rim's Father

Lee Chan-jong

Seo Joong-hyuk

Crew (2)

Directing

Jung Jee-hyun

Director

Writing

Kwon Do-eun

Writer

Guest stars (9)

Kang Hoon

Baek Yi-hyun (adult)

Jung Chung-gu

Myeongjin Book Rentals owner

Park Ki-deok

Lee Gi-hun

Kwon Dan-a

National team fencer

Park Se-in

Han Min-jung

Kang Moon-kyung

UBS director 2009

Park Bin

UBS Network staff

Park Bo-bae

UBS Network staff

Kim Nam-hee

Cellphone store employee