Why Did I Do That?

Heo Chang-kang

Roh Ma-yeong

Park Keun-hyong

Kinoshita

Yang Gwang-nam

Chamui Kim

Park Ji-hun

Tae-yeol

Yun Yeong-ju

Seon-geun

Kim Shin-jae

Ma-yeong's Wife

Bang Su-il

Lee Kang-je

Lee In-ok

Yukiko

Sin Mi-na

Ju-hee

Yong Il-hwa

Jung-gu

Lee Hae-ryong

Tae-hee

Choe Hui-yeong

Seon-hee

Jeon Sook

Chamui Kim's Wife

Byeon Dae-il

Jeong-il

Lee Ye-min

Deaf Teacher

Ju Sang-ho

Yong