José Martínez Blanco

as Widimer (voice)

as Widimer (voice)

as Barón Somolskaia

as Widimer (voice)

as Widimer (voice)

as Narrator (uncredited)

as Dr. Seward (voice)

as Filemón (Phil) / Fake Filemón / Doña Úrsula's Cat / The Great Mórtilus / Peasant / Napoleon / Eskimo / Lynx / Father at Zoo (voice)

as René (voice) (uncredited)

as Morpho

as Traveller / Dr. Seward (voice)

as Steven Truro (uncredited)

as Narrator (voice) (uncredited)

as Voice dubbing (voice) (uncredited)