Casting de Forgotten

Ha-neul Kang

Jin-seok

Kim Moo-yul

Yoo-seok / Choi Seong-uk

Moon Sung-keon

Jin-seok's Father / Mr. Park

Na Young-hee

Jin-seok's Father / Madam Min

Nam Myung-ryeol

Professor Choi

Lee Na-ra

Professor Choi's Wife

Jeong Taek-hyeon

High School Yoo-seok

Jung Chan-bi

Girl

Choi Go

Young Yoo-seok

Bae Sung-il

Questionable Man 1

Lee Soon-won

Questionable Man 2

Byeon Dong-joon

Questionable Man 3

Kang Sin-gu

Jin-seok's Real Father / Precinct Policeman 4

An Min-young

Jin-seok's Real Mother

Park Jae-yeong

Jin-seok's Real Brother

Park Chae-ik

Mover

Kwon Jae-hwan

Precinct Policeman 1

Moon Seong-pil

Precinct Policeman 2

Eom In-woo

Precinct Policeman 3

Kim Tae-eung

Precinct Policeman 5

Shin Gi-rok

Precinct Conscripted Policeman

Oh Hyeon-soo

President Song

Park Kyung-chan

Employment Agency Director

Lee Dong-geun

First Aid

Han Tae-eun

Emergency Room Nurse 1