Sean MarquetteMac (voice)
Grey DeLisleFrankie Foster / Tiny Friend / Little Boy Voice / Lady (voice) (as Grey DeLisle)
Keith FergusonBlooregard / Captain / Francis (voice)
Phil LaMarrWilt / Jackie Khones (voice)
Candi MiloCoco / Madame Foster / Purple Puppy (voice)
Tom KennyEduardo / Billy Bob Norton (voice)
Tom KaneMr. Herriman (voice)
Max BurkholderWorld (voice)
