Draculaura has a fright idea when her dad lectures her class on human holidays! She convinces the Monster High students that it's time for their own holiday - a Howliday! But, the students have different, competing ideas for the howliday, causing chaos. Now the ghouls must use their abilities to unite the students with the message: Holidays are about family and togetherness.
| Actor | Role |
|---|---|
 Debi DerryberryDraculaura (voice) | Draculaura (voice) |
 Salli SaffiotiClawdeen / Cleo (voice) | Clawdeen / Cleo (voice) |
 Cassandra Lee MorrisFrankie (voice) | Frankie (voice) |
 Larissa GallagherLagoona / Normie Girl (voice) | Lagoona / Normie Girl (voice) |
 Paloma RodríguezToralei (voice) | Toralei (voice) |
 Michael SorichDracula (voice) | Dracula (voice) |
 Cristina MiliziaAbby / Fangelica (voice) | Abby / Fangelica (voice) |
 Evan SmithDeuce / Gil (voice) | Deuce / Gil (voice) |
| TTravis MoscinskiRaythe / Normie Dad (voice) | Raythe / Normie Dad (voice) |
 Karen StrassmanAlivia / Normie Mom (voice) | Alivia / Normie Mom (voice) |
 Sara CravensClawdeen's Mom (voice) | Clawdeen's Mom (voice) |
| MMax MitchellWerepups (voice) | Werepups (voice) |