What Doesn't Fit You Always Becomes a Problem

Choi Tae-joon

Who Joon

Sooyoung Choi

Lee Geun-young

Hwang Chan-sung

JJ / Choi Jae-joon

Han Ji-an

Oh In-hyung

Kim Min-gue

Go Soo-hwan

Kim Ha-kyung

Mi-Jung

Kim Sun-hyuk

Seo Ji-hyang

Dong Hyun-bae

Han Jae-won

Im Do-yoon

Noh Do-yoon

Kim Min-kyo

Bae Young-seok

Park Mi-ri

reporter

Gu Da-Yeon

Spigen Receptionist

Kim Bang-sun

Pharmacist

Song Chang-gyu

Janitor

Danny Ahn

Who Joon’s Music Producer

Park Sin-un

Attorney Meeting JJ

Park Seong-il

Choi Hee-geon

Lee Hyun-ji

Ra-ra

Kim No-jin

Gang-yeon

Jung In-Tae

Assistant Producer

Koo Ja-geon

Guy Waiting in Line with Friend (Denim Jacket)