Park Yong-woo
Kang Ji-seung
Ryu Seung-ryong
Hwang Woo-hyuk
Sung Ji-ru
Jung-ho's Father
Kim Yeo-jin
Jung-ho's Mother
Sung Dong-il
Park Kyung-sik
Park Byung-eun
Kim Joo-hwan
Kim Koo-taek
Won-kil's Father
Park Mi-hyeon
Won-kil's Mother
Lee Sang-hee
Yong-duk's Father
Seo Ju-hee
Yong-duk's Mother
Jo Deok-jae
Dong-pil's Father
Seo Young-hwa
Dong-pil's Mother
Nam Sang-baek
Chul-woo's Father
Jeon Kuk-hwan
Professor Cha
