ครั้งหนึ่ง...ซึ่งคิดถึงตลอดไป

Greta Lee

Nora

태오

Hae Sung

John Magaro

Arthur

문승아

Young Nora

임승민

Young Hae Sung

윤지혜

Nora's Mom

최원영

Nora's Dad

안민영

Hae Sung's Mom

서연우

Young Si Young

장기하

Hae Sung's Friend 1

신희철

Hae Sung's Friend 2

박준혁

Hae Sung's Friend 3

Jack Alberts

CBP Officer

Jane Yubin Kim

Actress

Noo Ri Song

Na Young's Childhood Friend 1

Si Ah Jin

Na Young's Childhood Friend 2

Yoon Seo Choi

Na Young's Childhood Friend 3

황승언

Hae Sung's Girlfriend

Jojo T. Gibbs

Janice

Emily Cass McDonnell

Rachel