연애, 그 참을 수 없는 가벼움

Jang Jin-young

Yeon-ah

Kim Seung-woo

Young-Woon

Kim Sang-ho

Executive Director

Nam Sung-jin

Joon-Hee

Oh Dal-su

Hak-Yi

Oh Jung-se

Tae-Goo

Sunwoo Yong-nyeo

Young-Woon's mom

Kim Jun-hee

Se-Jin

Tak Jae-hoon

Joon-Yong

Hwang Hyo-eun

Cherry

Lim Seung-dae

Sang-Don

Lee Byung-joon

Doo-Il

Lee Seo-yeon