Birthday Letter

조수민

Yeo Il-Ae (Young)

김경남

Goo Ki-woong

송건희

Kim Moo-gil (Young)

전소민

Kim Jae-yeon

정영숙

Yeo Il-ae (Old)

전무송

Kim Moo-gil (Old)

김희정

Moo-gil's mother

오만석

[Young Geum and Ham Duk's father]