Bae Yong-geun

as Police Officer

as Detective Team Leader

as Detective 5

as Cryptologist

as Driver

as Bartender

as Public Prosecutor

as Herbal Shop Merchant

as Uncertain

as Investigator

as Wolf

as [Detective]

as Homeroom Teacher

as Beauty Salon Boss

as Assistant Yang

as Seung-ji's Residence Nobleman

as Sato

as Yong-pyo

as Chef

as Record Label Representative

as Tik Taek-to

as Himself