Lee Sung-min ( 이성민 )

Joo Tae-ju

Kim Seo-hyung ( 김서형 )

Min Su-hee

Bae Jung-nam ( 배정남 )

Cho Man-sik

Shin Ha-kyun ( 신하균 )

Ali (voice)

Kal So-won ( 갈소원 )

Seo-yeon

David Lee McInnis ( David Lee McInnis )

Dmitri

Yoo In-na ( 유인나 )

Ming Ming (voice)

Kim Soo-mi ( 김수미 )

Parrot (voice)

Lee Sun-kyun ( 이선균 )

Black goat (voice)

Lee Jung-eun ( 이정은 )

Gorilla (voice)

Lee Soon-jae ( 이순재 )

Hamster (voice)

Kim Bo-sung ( 김보성 )

Pug (voice)

Gwag Ja-hyeong ( 곽자형 )

Boar (voice)

Joon Park ( 박준형 )

Eagle (voice)

Park Yu-mil ( Park Yu-mil )

Ho-kyung

Lee Soo-kyung ( 이수경 )

So-jin

Lee Seung-cheol ( Lee Seung-cheol )

President

Lee Dong-hee ( 이동희 )

Zoo director

Nam Gyeong-min ( Nam Gyeong-min )

Squad leader

Park Hyeok-kwon ( 박혁권 )

Jason Scott Nelson ( Jason Scott Nelson )

Jason