For the Loser

Joo Jong-hyuk

Kang Ki-ho

Kim Hye-soo

Oh So-ryong

Jung Sung-il

Han-do

Lee Hae-yeong

Park Dae-yong

Jang Hye-jin

Hong Na-hee

Kim So-ra

Ha Monica

Im Seong-mi

Kim Ji-yoon

Jeon Jin-oh

Yoon Byeong-geun

Heo Dong-won

Lee Sang-mok

Choi Dong-gu

Choi Je-il

Park Seo-yeon

Baek Song-i

Kim So-hee

Park Jin-mi

Ju Jin-mo

Baek Dal-ha

Park Ji-hong

Director Park

Shin Jung-keun

Koo Hyeong-tae

Kim Bum-suk

Detective

Moon Woo-jin

Son Jun-yeong

Yeo Moo-yeong

Yoon Nam-gi

Jung Chae-won

Jo Min-geun Mom

Lee Eun-ju

Son Jun-yeong Mom

Bae Bo-ram

Nurse

Jeon Jun-woo

Lawyer Park

Shin Soo-Hyun

Neighbor

Ku Hye-ryeong

Housekeeper

Kim Han-gyeol

Male Nurse