Miroslava Šafránková

The Little Mermaid

Radovan Lukavský

King of All Seas

Petr Svojtka

Prince of the Southern Empire

Marie Rosůlková

Grandmother

Milena Dvorská

Witch

Libuše Šafránková

Princess from the Neighboring Empire

Jiří Ornest

Prince's Aide

Dagmar Patrasová

Little Mermaid's First Sister

Jiřina Krejčíková

Queen of the Blue Sea

Alexej Okuněv

King of the Ice Sea

Jaroslava Schallerová

Queen of the Ice Sea

Milan Hein

King of the Yellow Sea

Jana Švandová

Queen of the Yellow Sea

Jan J. Vágner

Prince of the Sea of the Setting Sun

Jiří Světlík

King of the Black Sea

Andrea Čunderlíková

Queen of the Black Sea

Petr Skarke

King of the Yellow Sea (voice)

Petr Svoboda

Prince of the Sargasso Sea

Shizuka Ishikawa

Oriental Princess

Dana Kubálková

European Princess

Venuše Samešová

Black Princess

Milena Steinmasslová

Hispanic Princess

Jaroslav Heyduk

Ceremonial of the Neighboring Empire

Vladimír Pospíšil

Ship Captain

Jindřich Narenta

Counselor

Hana Talpová

Queen

Josef Vondráček

Old Fisherman

Karel Anderle

Fencer

Pavel Vlasák

Fencer

Jiří Flíček

Guest on the Golden Ship

Miroslav Krejča

Guest on the Golden Ship

Pavel Robin

Guest on the Golden Ship

Milan Pěkný

Guest on the Golden Ship

Miloš Švarc

Guest on the Golden Ship

Jan Pohan

King of the Neighboring Empire

Inka Čekanová

Queen of the Neighboring Empire

Pavel Jiras

Fisherman

Jan Gottlieb

Fisherman's Son

Pavel Šmok

Conductor

Bert Schneider

Underwater Ceremonial

Karel Engel

Experienced Sailor

Zdeněk Srstka

Sailor

Miroslav Jíra

Sailor

Jaroslav Klenot

Sailor

Jiří Klenot

Sailor

Ivana Maříková

Girl

Marta Richterová

Prince Mother's Lady-in-waiting

Vladimír Fürst

Nobleman

Klára Frydrychová

Child of the King of the Blue Sea

Peter Bamidele Jzirein

Black Princess Company

Joseph Ig Nigeria Eboreime

Black Princess Company

Pavel Rímský

King of the Ice Sea Company

Zdeněk Boubelík

Dancer

Eva Boubelíková

Dancer

Petr Novák

Esquire

Karel Schumpeter

Diver

Luděk Munzar

Narrator (voice)