Lee Yeong-ae

Cha Se-eum

Lee Moo-saeng

Yoo Jung-Jae

Kim Young-ah

Lee Hye-jeong

Park Ho-San

Jeon Sang-do

Yeong-jae Kim

Kim Pil

Lee Byung-joon

Oh Hyeon-seok

Min-kyu Kim

Kim Tae-ho

Hwang Boreum-Byeol

Lee Roo-na

Lee Jung-yeol

Park Jae-man

Hwang Geon

No Ba-ha

Jeon Eun-mi

Orphanage director

Woon Jung-won

Bae Jeong-hwa (Younger)

Sung-Kyun Im

Yoo Jeong-jae (young)

Lee Dong-kyu

KVN anchorman

Derek Chouinard

Doctor

Paul Battle

American Concertmaster

Choi Soo-gyun

Lee Hae-na

Kim Joon-Hyung

Kang Cheol-soo (Bodyguard)