Devilish Joy

Choi Jin-Hyuk

Gong Ma-sung

Song Ha-Yoon

Joo Gi-Bbeum

Hoya

Sung Ki-joon

Lee Joo-yeon

Lee Ha-im

Min-Sang Kim

Doctor Yoon

Soo-kyeong Jeon

Gong Jin-yang

Oh Kwang-rok

Joo Man-sik

Soo-ji Lee

Ko Nan-Joo

Jang In-sub

Yang Woo-jin

Kim Ji-young

Joo Sa-rang

Yoon-Je Kang

Joo Ja-rang

Jae-Sung Jung

Jang Wook-jin

Hyeok-soo Kwon

Gil Byeong-tae

Gong Jin-seo

Idol

Kim Jung-han

Chinese police

Seo Yoon-Hyuk

Sung Ki Joon (young)

Soo-Ah Park

Kang Song-hwa

Myeong-jun Jeong

Fountain Pen Shop staff