Park Ji-young as Lee Mi-kyung

Jo Bok-rae as Gae-tae

Kim Dae-hyun as Lee Ik-soo (#404)

Heo Jeong-do as Kang Ha-joon (#403)

Baek Soo-jang as Oh Deok-goo (#301)

Esom as Kyung Jin-sook (#402)

Lee Sung-wook as Lee Tae-gil

Oh Chang-kyung as Park Se-joo

Kang Jin-ah as Constable Song

Kwak Jin-mu as #303

Jeon Go-woon as Examination Graduate Student

Kwon O-kwang as Examination Graduate Student

Woo Moon-gi as Game Boy

Woo Sang-gi as Delivery Man

Ahn Jae-hong as Sinchon Seolleongtang Civil Service Examination Student

Hwang Seung-eon as (uncredited)

Kang Bong-sung as (uncredited)