Tang Wei as Song Seo-rae

Park Hae-il as Jang Hae-joon

Lee Jung-hyun as Jeong-ahn

Go Kyung-pyo as Soo-wan

Park Yong-woo as Lim Ho-shin

Kim Shin-young as Yeon-su

Yoo Seung-mok as Ki Do-soo

Jung Yi-seo as Mi-ji

Jung Young-sook as Monday Granny

Lee Hak-ju as Lee Ji-goo

Park Jeong-min as Hong San-oh

Jeong Ha-dam as Oh Ga-in

Seo Hyun-woo as Cheol-seong

Teo Yoo as Assistant Manager Lee

Shin An-jin as Mountain Lifeguard

Kim Do-yeon as ER Doctor

Go Min-si as Shaman

Cha Seo-won as Mr. Ryu

Joo In-young as Caregiver Manager

Choi Sun-ja as Seo-rae's Mother

Ahn Jin-sang as Homicide Detective

Jin Yong-uk as Director of Judging

Choi Dae-hoon as Sleep Doctor

Kim Mi-hwa as Madam Soft-shelled Turtle

Kwak Eun-jin as Ji-min

Ahn Seong-bong as Go-bin

Lee Yong-nyeo as Friday Granny

Hwang Jae-won as Jang Ha-ju

Shon Gwan-ho as Gye Bong-seok

Jung Hyuk as Police Officer

Yoon Sung-won as Chief of Police

Kim Sung-gon as Yi-po Detective 1

Moon Soon-ju as Yi-po Detective 2

Kim Gwi-rye as Cheol-seong's Mother

Han Hyeon-jik as Ji-hyeok

Kim Do-dam as Witness Couple

Han Seo-wool as Witness Couple

Moon Jung-dae as Power Plant Worker 1

Yoo In-hye as Power Plant Worker 2

Kwon Hyuk as Police Inspector

Lee Ji-ha as APT Woman 1

Jun Sung-ae as APT Woman 2

Kim Gook-jin as Translation App (voice)

Kim Sang-hyun as Translation App (voice)

Cha Sang-do as Soft-shelled Turtle Thief 1

Kang Gyeong-su as Soft-shelled Turtle Thief 2

Jeong So-ri as