CN Invaded Part 5: Billy & Mandy Moon the Moon

Grey DeLisle

Mandy / Castigator (voice)

Greg Eagles

Grim / Sperg (voice)

Richard Steven Horvitz

Billy / Billy's Dad (voice)

Vanessa Marshall

Irwin / Mouse (voice)

Dee Bradley Baker

Alien Moonbeast / Alien Werewolf / Moonthing (voice)