Grug (voice)
Eep (voice)
Guy (voice)
Ugga (voice)
Gran (voice)
Thunk (voice)
Hope Betterman (voice)
Phil Betterman (voice)
Dawn Betterman (voice)
Sandy (voice)
Belt (voice)
Sash (voice)
Young Guy (voice)
Guy's Mother (voice)
Guy's Father (voice)
Shaman Monkey (voice)
Creepo Monkey (voice)
Additional Voices (voice)