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