Koo Ja-geon

As Go Jeong's Marathon Team Member

As store employee 1

As Recruit

As Ha Tae Sung

As Bank security guard

As Guy Waiting in Line with Friend (Denim Jacket)

As [Oh Dol's friend]

As Bus passenger

As Prisoner

As Job interviewee

As Jeong Pal

As Woo Hyun

As Student