Lee Sung-min as Joo Tae-ju

Kim Seo-hyung as Min Su-hee

Bae Jung-nam as Cho Man-sik

Shin Ha-kyun as Ali (voice)

Kal So-won as Seo-yeon

David Lee McInnis as Dmitri

Yoo In-na as Ming Ming (voice)

Kim Soo-mi as Parrot (voice)

Lee Sun-kyun as Black goat (voice)

Lee Jung-eun as Gorilla (voice)

Lee Soon-jae as Hamster (voice)

Kim Bo-sung as Pug (voice)

Kwak Ja-hyung as Boar (voice)

Joon Park as Eagle (voice)

Park Yu-mil as Ho-kyung

Lee Soo-kyung as So-jin

Lee Seung-cheol as President

Lee Dong-hee as Zoo director

Nam Gyeong-min as Squad leader

Park Hyeok-kwon as

Jason Scott Nelson as Jason