Mariya Vinogradova

Kolya (voice)

Olga Gromova

Olya (voice)

Aleksei Gribov

Archimedes (voice)

Yevgeni Vesnik

Greek army commander (voice)

Tamara Dmitrieva

Lyre boy (voice)

Anatoliy Papanov

Roman centurion (voice)

Stepan Bubnov

Marcus Claudius Marcellus / Old greek warrior (voice, uncredited)