Kwon Hyeok-pung

as Investigator at So-hyun's Crime Scene

as Fisherman 1 (uncredited)

as Management Office Chief

as Man at the Restaurant

as Seok Myeong-gwan

as Painter

as Captain Lee

as J's Senior

as Tae-hoon's father

as President Yoon

as Friend

as Park Duk Joon