 | Greg Eagles als Grim / Sperg (voice) |
 | Richard Steven Horvitz als Billy (voice) (as Richard Horvitz) |
 | Grey DeLisle als Mandy / Doll (voice) |
 | Malcolm McDowell als Baron Von Ghoulish (voice) |
 | Gilbert Gottfried als Santa Claus (voice) |
 | Carol Kane als Mrs. Claus (voice) |
 | Armin Shimerman als General Skarr (voice) |
 | Dee Bradley Baker als Dad #2 / Man in Cave / Snow Monster / Bat Kid (voice) |
 | Amber Hood als Cassie / Elf (voice) |
 | Richard McGonagle als Male Parent / Man / Father Time (voice) |
 | B.J. Ward als Female Parent / Mother Earth / Kid #2 (voice) |
| Russell Calabrese | Director |
| Shaun Cashman | Director |
| Robert Hughes | Director |
| Juli Murphy | Director |
| Sue Perrotto | Director |
| Maxwell Atoms | Writer |
| Maxwell Atoms | Executive Producer |
| Louis J. Cuck | Producer |
| Brian A. Miller | Executive Producer |
| Jennifer Pelphrey | Producer |
| Gregory Hinde | Music |
| Drew Neumann | Music |
| Kris Zimmerman | Casting |
| Rae McCarson | Art Direction |
| Nina Bargiel | Writer |
| Jeremy J. Bargiel | Writer |
