When a team of mercenaries breaks into a wealthy family compound on Christmas Eve, taking everyone inside hostage, the team isn’t prepared for a surprise combatant: Santa Claus is on the grounds, and he’s about to show why this Nick is no saint.
| Actor | Role |
|---|---|
 David HarbourSanta | Santa |
 John LeguizamoScrooge | Scrooge |
 Beverly D'AngeloGertrude | Gertrude |
 Alex HassellJason | Jason |
 Alexis LouderLinda | Linda |
 Edi PattersonAlva | Alva |
 Cam GigandetMorgan Steel | Morgan Steel |
 Leah BradyTrudy | Trudy |
 André EriksenGingerbread | Gingerbread |
 Brendan FletcherKrampus | Krampus |
 Mike DopudCommander Thorp | Commander Thorp |
 Alexander ElliotBert | Bert |
 Mitra SuriCandy Cane | Candy Cane |
 Can AydinFrosty | Frosty |
 Phong GiangTinsel | Tinsel |
 Finn McCager HigginsJingle | Jingle |
 Rawleigh Clements-WillisPeppermint | Peppermint |
 Stephanie SySugarplum | Sugarplum |
| YYoon Cha-LeeTechie | Techie |
 Marina Stephenson KerrUK Barkeeper | UK Barkeeper |
 John B. LoweUK Mall Santa | UK Mall Santa |
 Ray StrachanAl the Security Guard | Al the Security Guard |
 Sean SkeneLead Bodyguard | Lead Bodyguard |
| TThomas LorberBodyguard | Bodyguard |
 Erik AthavaleDrunk Dad | Drunk Dad |
 Adam HurtigHead Waiter | Head Waiter |
 Adrian PersadKill Squad | Kill Squad |
 Marc-André BriseboisKill Squad | Kill Squad |
 Dylan RampullaKill Squad | Kill Squad |
| MMaxime LaurinKill Squad | Kill Squad |