Santa has been turned into a vampire, and only Billy and Mandy can turn him back and save Christmas.
Greg Eagles
as Grim / Sperg (voice)
Richard Steven Horvitz
as Billy (voice) (as Richard Horvitz)
Grey DeLisle
as Mandy / Doll (voice)
Malcolm McDowell
as Baron Von Ghoulish (voice)
Gilbert Gottfried
as Santa Claus (voice)
Carol Kane
as Mrs. Claus (voice)
Armin Shimerman
as General Skarr (voice)
Dee Bradley Baker
as Dad #2 / Man in Cave / Snow Monster / Bat Kid (voice)
Amber Hood
as Cassie / Elf (voice)
Richard McGonagle
as Male Parent / Man / Father Time (voice)
B.J. Ward
as Female Parent / Mother Earth / Kid #2 (voice)
