Kim Soo-jin (actress)

Je-yeon's mother

Jang Man-ok

Park Gal-ja

Seo Dong-ok

Audrey Ko

Detective Oh

Choi Jung-min

Shin Ji-hyung, a neurosurgeon at Korea University Hospital who has a "middle-aged brain"

Snail Bride / Bok Hye-ja

Shin Jeong-ae

Chief Kim

Kang Kyung-ja

Jo Young-mi

Min Sang-ah, Choi Yeon-soo's best friend in college, and a political reporter for a major media house Han Bo-bae as young Min Sang-ah

Shim Sung-suk, Deok-chul's daughter and wife of struggling politician Young-il.

Yang Jin-sun, a representative of the publishing House

Song Soo-bin, surgical ward nurse.

Snail Bride / Bok Hye-ja

Nan-do's mother

Yeom Dong-sook

Lee Se-jin, the writer of the drama that Jin-shim wants to star in.

Chil-sung's wife

Court Lady Park

Jang Man-ok The supervisor of transfer department of the branch.