- Julie Gayet
- La mère de Félix
- Jean-Pierre Marielle
- (voice)
- Lorànt Deutsch
- Randolph
- Bruno Salomone
- (voice)
- Pierre-François Martin-Laval
- Edgar
- Didier Brice
- (voice)
- Benoît Allemane
- Le Père Noël
- Nathan Simony
- Nicolas
- Daniela Duspara
- Child
- Fabiana Arrastia
- Mrs. Palmer / Little Girl #1 / Elf (voice)
- Robert Cait
- Felix's Dad / Absent Minded Santa / Insane Santa / Constable Gallagher (voice)
- Max Cullen
- Humphrey
- Gabe Eggerling
- Grincroch / Little Boy (voice)
- Holly Fraser
- Felix
- Sam Fraser
- Child
- Bailey Gambertoglio
- Little Beatrice
- Mary Pat Gleason
- Beatrice Lovejoy
- Delta Goodrem
- Little Beatrice
- Shane Jacobson
- Santa
- Chris Leaney
- Elf / Reindeer (voice)
- Shardyn Fahey Leigh
- Grincroch
- Paulette Victor Lifton
- Elf / Little Girl #2 (voice) (as Paulette Lifton)
- Andy Morris
- Humphrey
- Georgie Parker
- Mrs. Poulmer
- Cristina Pucelli
- Felix
- Line Renaud
- Solange Folichon
- Salli Saffioti
- Felix's Mom / Elf (voice)
- Cole Sand
- Nicholas
- Kristian Schmid
- Felix's Father
- Hugh Sheridan
- Waldorf
- Michael Sorich
- Santa Claus / Nightmare Santa / Inspector Stevens / Contrary Santa (voice)
- Jacinta Stapleton
- Felix's Mother
- Terrence Stone
- Elves / Jokey Santa / Crumpy Santa / Scottish Santa / Constable Stevens / Elf (voice)
- Magda Szubanski
- Beatrice
- Richard Tatum
- Waldorf
- Jack Versace
- Nicholas
