Choi Si-won

Yang Jung-Kook

Lee You-young

Kim Mi-Young

Kim Min-joung

Park Hoo-Ja

Tae In-ho

Han Sang-Jin

Kim Eui-sung

Kim Joo-Myung

Park Kyung-hye

Yang Mi-Jin

Cha Rae-hyung

Detective Goo

Woo Hyeon

Yang Shi-Cheol

Kil Hae-yeon

Kim Kyung-Ae

Choi Dae-chul

Detective Lee

Ji Suyeon

Detective Na

Kim Jong-goo

Park Sang-Pil

Ahn Eun-jin

Park Gwi-Nam

Heo Jae-ho

Choi Pil-Joo

You Chea-myung

Kang Soo-Il

Jun Suk-ho

Kang Hyun-Tae

Jeong Soo-young

Jo Myung-Im

Kim Esther

[High School Girl uses campaigning Yang Mi Jin to bully others]

Yang Dong-geun

Charles / Kim Chul Soo [con-artist]