Cian Patrick O'Dowd as Morten (voice)

Brendan Gleeson as Captain Vicks (voice)

Pauline McLynn as Aunt Annabelle / The Spider Queen (voice)

Susie Power as Elizabeth / Eliza (voice)

Ciarán Hinds as Captain Stinger (voice)

Michael McElhatton as Felix (voice)

Tommy Tiernan as Senor Cucaracha (voice)

Jason Byrne as Fred / Zig (voice)

Mario Rosenstock as Tilda (voice)

Neil Delamere as Peter (voice)

Patrick Fitzsymons as Additonal Voices (voice)