Greg Eagles
Grim / Sperg (voice)
Acting
Richard Steven Horvitz
Billy (voice) (as Richard Horvitz)
Acting
Grey DeLisle
Mandy / Doll (voice)
Acting
Malcolm McDowell
Baron Von Ghoulish (voice)
Acting
Gilbert Gottfried
Santa Claus (voice)
Acting
Carol Kane
Mrs. Claus (voice)
Acting
Armin Shimerman
General Skarr (voice)
Acting
Dee Bradley Baker
Dad #2 / Man in Cave / Snow Monster / Bat Kid (voice)
Acting
Amber Hood
Cassie / Elf (voice)
Acting
Richard McGonagle
Male Parent / Man / Father Time (voice)
Acting
B.J. Ward
Female Parent / Mother Earth / Kid #2 (voice)
Acting