A cappella

Chun Woo-hee

Han Gong-ju

정인선

Eun-hee

Kim So-young

Hwa-ok

이영란

Ms. Lee

Kwon Beom-taek

Chief of Police Substation

Jo Dae-hee

Lee Nan-do

김최용준

Dong-yoon

Kim Hyun-joon

Min-ho

Yoo Seung-mok

Han Gong-ju's Father

Seong Yeo-jin

Han Gong-ju's Mother

김정팔

Owner of Animal Hospital

Dong Hyun-bae

Swimming Instructor