The Phone

Son Hyun-joo

Go Dong-ho

Uhm Ji-won

Jo Yeon-soo

Bae Sung-woo

Do Jae-hyeon

Roh Jeong-eui

Go Kyeong-rim

Jang In-sub

Department Head Kim

Jo Dal-hwan

Kim Gyoo-soo

Lee Cheol-min

Son Seok-ho

Hwang Seok-jeong

Seo Gwang-hyeon

Hwang Bo-ra

Kim Hye-jin

Kim Jong-goo

Park Se-moon

Kim Ki-cheon

Dispatch Captain

Seo Byeong-cheol

Seocho Police Station Detective

Anupam Tripathi

Charles

Jung Jong-woo

Manspreader

Ryu Sun-gyu

Investigator