Morten, a ten-year-old boy, is shrunk to the size of an insect due to a magical fog gun. Soon, he finds himself on his makeshift model ship sailing through a flooded cafe.
| Actor | Role |
|---|---|
| CCian Patrick O'DowdMorten (voice) | Morten (voice) |
 Brendan GleesonCaptain Vicks (voice) | Captain Vicks (voice) |
 Pauline McLynnAunt Annabelle / The Spider Queen (voice) | Aunt Annabelle / The Spider Queen (voice) |
 Susie PowerElizabeth / Eliza (voice) | Elizabeth / Eliza (voice) |
 Ciarán HindsCaptain Stinger (voice) | Captain Stinger (voice) |
 Michael McElhattonFelix (voice) | Felix (voice) |
 Tommy TiernanSenor Cucaracha (voice) | Senor Cucaracha (voice) |
 Jason ByrneFred / Zig (voice) | Fred / Zig (voice) |
 Mario RosenstockTilda (voice) | Tilda (voice) |
 Neil DelamerePeter (voice) | Peter (voice) |
 Patrick FitzsymonsAdditonal Voices (voice) | Additonal Voices (voice) |