Byung-hak
Kang Ki-chun
Lawyer
Jang Se-dong
Father
Self
Yun Young-hwan
Sang-won
Jung Ji-yong
Lee Eui-myeong
Wan-ho
Chief Nam Kyeong-dae
CEO Jeon
President Yoon
Moon-soo
Shin Jae-yeol
Professor Song
Mr. Moon
Doctor
Sang-ok
Vice Principal (Relay)
Pan-gon
Gu Yang-Won
Hwan
CEO Jeong (voice)
Kwon Yong-hwan
Oh Sung-ho
Han Yun-sik
Choo Hyung-Do
Bae Tae-gon
Mr. Jang
Young-soo
Kim Kyoo-hwan
Joo-dong
Moon Dok-bae / Moon Chae-ku
Narrator (voice)
Young-cheol
Kim Ki-young
