Bo Jakobsen

Benny (voice)

Jesper Klein

Tadpole (voice)

Peter Belli

Octopus (voice)

Jytte Abildstrøm

Dagny (voice)

Otto Brandenburg

Lobster Boy (voice)

Jytte Hauch-Fausbøll

Benny's Mother (voice)

Rolf Krogh

Ornithologist (voice)

Povl Dissing

First Pirate (voice)

Per Bentzon Goldschmidt

Second Pirate (voice)

Per Tønnes Nielsen

Cowboy (voice)

Aya

Mermaid (voice)

Maia Årskov

Mermaid (voice)

Trille

Mermaid (voice)

Christian Sievert

Crab (voice)

Allan Botschinsky

Seahorse (voice)