두근두근 내 인생

송혜교

Mi-ra

강동원

Dae-soo

Jo Sung-mok

Ah-reum

백일섭

Mr. Jang

허준석

Seung-chan

김소진

Writer Kim

Cha Eun-woo

Ah-reum

채서진

Lee Seo-ha

이성민

Ah-reum's Doctor

김갑수

Dae-soo's Father

Choi Yoon-seok

Aspiring to be Director

황석정

Praying Woman