Kim Eun-ah

as Tony (voice)

as Happying / Young Liam / Girl's Mom (voice)

as Yellow Gold / Leo Wood (voice) (52 episodes)

as Sky (voice), as Ha-neul (voice)

as Teo (voice) (78 episodes)

as 디노 (26 episodes)

as Happying / Sarah / Charmping (voice) (52 episodes)

as 지니 (1 episode)

as (voice)

as Doug/The Mole Master/Kilo (voice) (26 episodes), as Pei/The Spider Master (voice) (26 episodes)

as Sunwoo min (voice) (26 episodes)

as Warwick / The Blue Dragon / Kilo (voice) (1 episode)

as Lopsiloo (78 episodes)