Thorn Flower

Jang Shin-young

Jeon Se-Mi / Jennifer Dyer Mason

Kang Kyung-joon

Kang Hyuk-Min

Seo Do-young

Park Nam-Joon

Kang Ye-seo

Yoo Ye Ji

Jung Ji-yoon

Cheon Soo-Ji

Kim Sa-hee

Kang Ji-Min

Lee Won-seok

Baek Seo-Won

Choi Woo-suk

Yoo Je-Joon

Kim Beong-choun

Kang Joo-Chul

Cha Hwa-yeon

Mrs. Min

Ahn Suk-hwan

Baek Doo-Jin

Kim Kwon

Kang Sung-Min

Kim Kyung-sook

Madam Hyun

Kang Shin-il

Mr. Jeon

Kim Chung

Mrs. Hong

Kim Ji-young

Nam Joon's grandmother

Park Jin-joo

Park Nam-Hee

Lee Yeon-su

Jin Yang-hee