최낙윤
饰 Heart King / Monster Truthping (voice)
여민정
饰 Belita / Girl (voice)
홍범기
饰 Dr. Monziu / General Teenieping (voice)
류승곤
饰 Liam / Butler (voice)
김은아
饰 Happying / Young Liam / Girl's Mom (voice)
장예나
饰 Lalaping / Maid / Stickping (voice)
严祥铉
饰 Mr. Bus Stop / Freezeping (voice)
