Thorn Flower

Jang Shin-young

as

Jeon Se-Mi / J...

Kang Kyung-joon

as

Kang Hyuk-Min

Seo Do-young

as

Park Nam-Joon

Yeseo

as

Yoo Ye Ji

Jung Ji-yoon

as

Cheon Soo-Ji

Kim Sa-hee

as

Kang Ji-Min

Lee Won-seok

as

Baek Seo-Won

Choi Woo-suk

as

Yoo Je-Joon

Kim Byung-choon

as

Kang Joo-Chul

Cha Hwa-yeon

as

Mrs. Min

Ahn Suk-hwan

as

Baek Doo-Jin

Kim Kwon

as

Kang Sung-Min

Kim Kyung-sook

as

Madam Hyun

Kang Shin-il

as

Mr. Jeon

Kim Chung

as

Mrs. Hong

Kim Ji-young

as

Nam Joon's gra...

Park Jin-joo

as

Park Nam-Hee