Yuliya Solntseva

as Aelita, Queen of Mars

Igor Ilyinsky

as Kravtsov - amateur sleuth

Nikolai Tseretelli

as Evguieni Spiridinov

Nikolai Batalov

as Gusev, Red Army Soldier

Vera Orlova

as Nurse Masha, Gusev's Wife

Valentina Kuindzhi

as Natasha, Los' Wife (as Vera Kuindzhi)

Pavel Pol

as Viktor Ehrlich, Sugar Profiteer

Konstantin Eggert

as Tuskub, Ruler of Mars