KBS Drama Special

Jeon So-min

Do Do-Hye

Park Sung-hoon

Na Pil-Seung

Oh Dong-min

Choi Jin-Sang

Song Ji-in

Teacher Oh

Seo Sang-won

Professor Bong

Park Sun-Hee

Professor No

Kim Moo-yul

Heo Joon-Ki

Go Bo-gyeol

Lee Eun-Jae

Jung Jun-won

Heo Yoon-Ki

Go Min-si

Choi Ji-Young

Seo Jae-woo

Kim Woo-Hyun

Park Gyu-young

Kang Hyun-Ho

Yoon Park

Han Yoo-Ra

Jung Gun-joo

Jo Woo-Jin

Kim Soo-jin

Chairwoman Yoon

Lee Seung-hun

Kim Do-Il

Heo Dong-won

Jung Dong-Ho

Kim Mi-U

Min Ji-Eun

Seo Yu-ri

Park So-Jin

Choi Kang-hee

Kim Yang-Hee

Go Joon

Lee Pil-Yong

Park Se-wan

Kim Yang-Hee (young)

Jeon Seong-woo

Lee Pil-Yong (young)

Kim Da-som

Miss Kim

Kwon Hyuk-soo

Mr. Lee (Lee Ki-Joon)

Kim Jin-woo

Choi Sung-Min

Lee Chae-eun

Yoo Eun-Hye

Park Cheol-min

Na Young-Do

Jang Hee-jin

Jung Yi-Na

Lim Ju-hwan

Bae Sang-Hee

Lee Hak-ju

Ji-Wook

Kim Sae-byuk

Se-Young

Choi Yu-hwa

Hee-Joo

Kim Ju-hun

man in charge

Lee Yul-eum

Oh Eun-Soo

Lee Il-hwa

Oh Eun-Young

Kim Yeong-ok

Bang Cho-Rong

Han In-soo

Lee Jong-Dae

Yeon Jun-seok

Lee Kang-Woo

Shin Hyun-soo

Lee Hyun-Soo

Lee Da-in

Yoo Seung-Yeon

Min Jin-woong

Jang Hyung-Joon

Kim Min-seok

Kang Sung-Chan

Park You-na

Joo Young-Joo