Kim Chul-Soo (20 Episodes)

Lee Ma-ri (20 Episodes)

Jung Woo-jin (20 Episodes)

Choi Eun-young (20 Episodes)

Professor Ahn (20 Episodes)

Min Jang-soo (20 Episodes)

Seo Ye-rin (20 Episodes)

Kim Yoo-ri (20 Episodes)

Seo Woo-jin (20 Episodes)

Young Lee Ma-ri (1 Episodes)