Silenced— Full Cast

Gong Yoo

as Kang In-ho

Jung Yu-mi

as Seo Yoo-jin

Kim Hyeon-soo

as Kim Yeon-doo

Jung In-seo

as Jin Yoo-ri

Baek Su-ho

as Jeon Min-soo

Jang Kwang

as Principal / Principal's Brother

Kim Joo-ryoung

as Yoon Ja-ae

Lim Hyun-sung

as Young-hoon

Jeon Kuk-hwan

as Attorney Hwang

Choi Jin-ho

as Prosecutor

Kwon Hong-suk

as Judge

Uhm Hyo-seop

as Police Officer Jang

Park Hye-jin

as Principal's Wife