Matthew Whelan

Character: Niko (voice)

Emma Jenkins

Character: Stella (voice)

Paul Tylak

Character: Prancer / Cupid / Siigur / Leo Lemming / Lasse Lemming / Lemmings (voice)

Roger Gregg

Character: Einar / Dasher (voice)

Dermot Magennis

Character: Julius & Ilmar (voice)

Aileen Mythen

Character: Wilma / Olga / Lemmings (voice)

Lucy Smith

Character: Lilli (voice)

Harry Weld-Moore

Character: Jonni (voice)

Justin Daniels Anene

Character: Morten (voice)

Brenda McDonald

Character: Blitzen / Donner / Nillá (voice)

Mary Murray

Character: Ilda / Lala Lemming (voice)

Susan Slott

Character: Oona (voice)

Luke Griffin

Character: Comet / Dancer / Gusto / Vixen (voice)

Michael Sheehan

Character: Lenni (voice)

Cameron Simpson

Character: Young Prancer (voice)

Evan O'Connor

Character: Young Ilmar (voice)

Michelle Read

Character: Leif / Lilly Lemming (voice)

Olivia Caffrey

Character: Lalli Lemming (voice)

Doireann Ní Chorragáin

Character: Lemming (voice)

Maggie Cadwell

Character: Lemming (voice)

Garry Mountaine

Character: Santa Clause