Rosie Mouse's excitement about the coming Christmas holiday is not shared by everyone. While Rosie is eagerly anticipates Christmas, Santa Mouse has grave doubts about the holiday. His sleigh is missing and his ratdeer are anything but excited about the trip around the world.
| Actor | Role |
|---|---|
 Melissa Joan HartMolly (voice) | Molly (voice) |
| EEmily HartRosie (voice) | Rosie (voice) |
| EEwan 'Sudsy' ClarkSanta Mouse (voice) | Santa Mouse (voice) |
 Philip Maurice HayesBasher (voice) | Basher (voice) |
 Saffron HendersonBlunder (voice) | Blunder (voice) |
 Peter KelamisBugsy / Easter Squirrel (voice) | Bugsy / Easter Squirrel (voice) |
 Scott McNeilLoopy / French Foreman (voice) | Loopy / French Foreman (voice) |
 Alistair AbellLousy (voice) | Lousy (voice) |
 Colin MurdockTwizzlebum (voice) | Twizzlebum (voice) |
 Ellen KennedyMom (voice) | Mom (voice) |
 John PayneHonest Weasel (voice) | Honest Weasel (voice) |