Jung Jae-young as Dong Chi-sung

Lee Na-young as Han Yi-yeon

Im Ha-ryong as Police Captain

Jang Young-nam as Woman in Accident

Jeong Gyu-su as Dr. Noah

Kim Hye-na as Ju Yoo-won

Oh Seung-hyun as Chi-sung's Ex-girlfriend

Park Mi-sook as Sales Clerk

Lee Min-jung as Yi-yeon's Friend

Kim Hye-jung as Yi-yeon's Mother

Lim Seung-dae as Doctor

Jo Deok-hyeon as Bar Owner

Han Ye-ju as Burglar's Wife

Yoon Joo-hee as Flight Attendant

Kim Dae-ryung as DJ 1

Choi Il-hwa as DJ 2

Ryu Seung-ryong as Pink Mask

Lee Jae-yong as Robber

Jang Jin as Interrogating Detective

Han Ye-ju as Thief Wife

Lee Cheol-min as Man

Kim Nan-hwi as Lover's Friend