Koo Ja-geon

Kim Jun-u • 3 episodes

[Baduk player] • 1 episodes

[Barista] • 2 episodes

Student • 1 episodes

Prisoner • 3 episodes

[Sungkyunkwan scholar] • 1 episodes

Jeong Pal • 8 episodes

Track and Field Athlete

Job interviewee • 1 episodes

Bus passenger • 1 episodes

[Da Hyeon's ex] • 1 episodes

College Student

Kwon Tae-gi's friend • 2 episodes

[Delinquent] • 2 episodes

Recruit • 2 episodes

Bank security guard • 1 episodes

College Student • 2 episodes

Guy Waiting in Line with Friend (Denim Jacket) • 1 episodes

[Food palanquin bearer] • 1 episodes

Woo Hyun • 24 episodes

Kim Sung Hoon • 11 episodes

Ha Tae Sung • 12 episodes

Oh Seung Woo • 10 episodes

Oh-dol's friend • 16 episodes

store employee 1