Cậu Bé Người Sói

Lee Young Ran

Kim Sun Yi [Present]

Jang Young Nam

Yu Ok Hui [Sun Yi's mother]

Yoo Yeon Seok

Seok Ji Tae [Sun Yi's father's business partner's son]

Kim Hyang Gi

Kim Sun Ja [Sun Yi's sister]

Yoo Seung Mok

Doctor Kang Tae Shik

Seo Dong Soo

[Colonel]

Woo Jung Kook

Mr. Jeong

Gu Bon Im

Mrs. Jeong

Nam Jung Hee

[Dong Seok's grandmother]

Ahn Do Kyu

Dong Seok

Shin Bi

Dong Mi