Kim Nam-woo

as Dong Geun-hyeok

Lee Chae-dam

as Mi-jeong (Ep. 1: Change)

Ji Eun-seo

as Mi-jeong (Ep. 9: Mask)

Kim Hwa-yeon

as Mi-jeong (Ep. 3: Indicator)

Ra Hee-jeong

as Mi-jeong (Ep. 4: Black Coffee)

Seo Hwa-yi

as Mi-jeong (Ep. 2: Golden Daughter)

Ko Won

as Mi-jeong (Ep. 8: Perfect Husband)

Han Se-Ah

as Mi-jeong (Ep. 5: Stalker)

Jung Jong-woo

as Tae-shik

Hong Seo-back

as Sang-bae

Jo Su-Hyun

as Mi-jeong (Ep. 6: Housekeeper)

Jo Yoo-jin

as Mi-jeong (Ep. 7: Oracle)

Yoo Ah-jin

as Hyuna (Ep. 1: Change)

Ban Min-jeong

as So-yeon [Wife] (Ep. 6: Housekeeper)

Kim Young-hee

as Madame (Ep. 3: Indicator)