Chris O'Dowd
Narrator (voice)
Amy Huberman
Puffin Egg Mammy (voice)
Eva Whittaker
Isabelle (voice)
Beth McCafferty
Oona (voice)
Aaron MacGregor
Marvin (voice)
Euan McGrath
Phoenix (voice)
James Henry
Mossy (voice)
Anna McDaid
May (voice)
Geraldine Cole
Mama (voice)
Matt Deery
Papa (voice)
Evan Lordan
Puffin Egg Daddy (voice)
Orna Canning
Flynn (voice)
Clara McLaughlin
Silky (voice)
Jim Craig
Bernie (voice)
Mara Reid Moore
Lala (voice)
Laura McCallan
Spiky (voice)
Lorraine Lordan
Isabelle's Mammy (voice)
Paul Young
Isabelle's Daddy (voice)
Sophie Borlée
Additional Voices (voice)
Eimear Doherrty
Additional Voices (voice)
Caoimhe Ni Bhradaigh
Additional Voices (voice)
Jeremy Purcell
Additional Voices (voice)