Devilish Charm

Gong Jin-dan

Gong Jin-yang, Ma-seong's aunt.

Ju Gi-ppeum (30 years old), a top actress who falls from grace due to a false charge.

Myung Seok-hwan

Ju Sa-rang, Gi-ppeum's sister.

Gong Ma-seong (34 years old), the successor of Sunwoo Group who is a doctor and chief of a cranial nerve center. After a car accident where he tries to help a woman he happens to meet, he suffers from short-term amnesia, and his memory does not last for more than a day. Choi Seung-hoon as young Gong Ma-seong

Sung Ki-joon (31 years old), Ma-seong's younger cousin who is an entertainer, and whose dream is to become a Hallyu star. He is the second-in-line-heir to Sunwoo Group, but is not interested in business. Seo Yoon-hyuk as young Sung Ki-joon

Ju Man-sik, Gi-ppeum's father.

Lee Ha-im (34 years old), an ambitious A-list actress who is the only child of a rich family.

An internet program director

Young Gong Ma-seong

Min Hyung-joon

Yang Woo-jin