Kim In-woo

as 'The Whip Speaks' Reading Guest 4

as Head of Department

as Shimazaki Daisuke

as Kiyohara

as Yoshihara

as Yamada

as Kimura

as Mizuno

as Presiding Judge

as Dentist

as Mr. Hasegawa

as Yamamoto

as Hirobumi Ito

as Choi Yong

as Tamura

as [Yakuza boss]

as Mr. Baek