Jung Woo-sung as James

Sul Kyung-gu as Chief Hwang

Han Hyo-joo as Ha Yoon-joo / "Piglet"

Jin Kyung as Department Head Lee

Lee Jun-ho as Squirrel

Lee Dong-hwi as Parrot

Byun Yo-han as M3

Son Min-seok as Won Soong-i / "Monkey"

Jang Won-hyung as Scarecrow

Kim Ji-hoon as Ttong

Lee Hyun-kyun as Control M

Lee Hwa-Jung as Ostrich

Lee Tae-hyeong as Sloth

Yoon Don-sun as Banker

Kim Byeong-ok as Mysterious Broker

Enes Kaya as Al

Park Chung-hwan as Arrest team

Kang Jun-seok as Arrest Team

Simon Yam as Suspect (cameo)

Byeon Woo-jong as Secret Investigator

Kang Shin-Ha as

Seo Suk-kyu as Control team member

Park Ji-yeon as