character - University Professor

character - President Hwang

character - Commissioner of Korea Correctional Service

character - [Puffer Fish Merchant]

character - Cheol-min (철민)

character - Chung-il (충일)

character - Cheol-min (철민)

character - Cheong-hyeon (청현)

character - Yeong-seok (영석)

character - [Min-hye's Father]

character - Professor Kim

character - Hee-hyeon (희현)

character - Yoon Go-jong

character - Kim Yong-cheol

character - Subject 1

character - Min-cheol (민철)

character - Director Jang

character - Tae-ho (태호)

character - Kim Yong-cheol

character - Hwang Moon-sik

character - [Father]

character - [Uncle]

character - Min-cheol (민철)

character - Seok-min (석민)

character - Won-gi (원기)

character - [Uncle]

character - Jeong-cheol (정철)

character - [Pension Owner]

character - Middle-aged Man [Cameo]

character - Seo Yeong-soo

character - Dong-seok (동석)

character - Seong-hye's Father

character - [Joon-hyeok's Father]

character - Tae-woong (태웅)

character - Mr. Seo (서방님)

character - Yoon-seong (윤성)

character - Bethel's House director

character - Priest

character - [Mrs. Seo's husband]