Greta Lee

Nora

Teo Yoo

Hae Sung

John Magaro

Arthur

Moon Seung-ah

Young Nora

Leem Seung-min

Young Hae Sung

Yoon Ji-hye

Nora's Mom

Choi Won-young

Nora's Dad

An Min-young

Hae Sung's Mom

Seo Yeon-woo

Young Si Young

Chang Ki-ha

Hae Sung's Friend 1

Shin Hee-cheol

Hae Sung's Friend 2

Park Jun-hyuk

Hae Sung's Friend 3