I Want To Be The Best Singer

Lee Sun

Pororo (voice)

Hong So-young

Loopy (voice)

Lee Mi-ja

Crong (voice)

Ham Su-jung

Eddy (voice)

Koo Ja-hyoung

Narrator

Chung Mi-sook

Petty (voice)

Kim Hwan-jin

Poby (voice)

Kim Seo-young

Harry (voice)