Kim Nam-gil

Dr. Heo Im

Kim A-joong

Choi Yeon-Kyung

Yoo Min-kyu

Yoo Jae-Ha / Yoo Jin-O

Mun Ka-young

Dong Makgae

Uhm Hyo-seop

Heo Jun

Ahn Suk-hwan

Shin Myung-Hoon

Lee Dae-yeon

Professor Hwang

Oh Dae-hwan

Doo-Chil

Tae Hang-ho

Min Byung-Ki

Sung Joo

Kim Min-Jae

Min Ji-a

Jeon Jae-Sook

Kim Myung-gon

Yoo Sung-Tae

Shin Rin-a

Yeon-Yi

Roh Jeong-eui

Oh Ha-Ra

Seo Jeong-yeon

Jung Yi-Yeon

Maeng Sang-hun

Yoo Chan-Sung

Kim Byung-choon

Kwon Ji

Cha Soon-hyeong

Suzuki

Han Hee-jung

Guide Ha-ra

Yoon Joo-Sang

Choi Chun-Sool

Byeon Woo-seok

Assistant Heo Jun

Jin Sun-kyu

Yeon Yi's father

Kim Yeong-ok

Kkot Bun

Moon Woo-jin

Heo Im [Young]

Cho Seung-yeon

King Sun-Jo