Kwon Hyeok-pung

as Friend

as Seok Myeong-gwan

as Park Duk Joon

as President Yoon

as Tae-hoon's father

as Fisherman 1 (uncredited)

as Investigator at So-hyun's Crime Scene

as Man at the Restaurant

as Captain Lee

as Management Office Chief

as J's Senior

as Painter