Mariya Vinogradova

as Kolya (voice)

Olga Gromova

as Olya (voice)

Aleksei Gribov

as Archimedes (voice)

Yevgeni Vesnik

as Greek army commander (voice)

Tamara Dmitrieva

as Lyre boy (voice)

Anatoliy Papanov

as Roman centurion (voice)

Yury Andreev

as Greek warriors (voice)