Cassiopeia

Ahn Sung-ki

as

In- woo

Seo Hyun-jin

as

Su-jin

Joo Ye-rim

as

Gina

Kim Da-huin

as

Jun-il

Hong Sung-chun

as

Lawyer

Goo Si-yeon

as

Lawyer

Choi Hong-il

as

Ji-man

Shin Yoon-ju

as

Prosecutor

Park Jae-min

as

Husband

Lee Eun-joo

as

Doctor

Seong Hong-il

as

Temple

Lee Young-ran

as

Mi-ja

Jeong A-mi

as

Jun-il's mother

Park Myung-shin

as

Caregiver

Kim Jung-pal

as

Police