Kim Seo-yeong
Harry (voice)
Kim Hwan-jin
Poby (voice)
Lee Sun
Pororo (voice)
Hong So-young
Loopy (voice)
Jung Mi-sook
Patty (voice)
Nam Doh-hyeong
Silver (voice)
Hwang Chang-yung
Kraken (voice)
Jeong Seung-uk
Black (voice)
Lee Jang-won
Merchant Duck (voice)