Yuliya Solntseva as Aelita, Queen of Mars

Igor Ilyinsky as Kravtsov - amateur sleuth

Nikolai Tseretelli as Engineer Los

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

Yuri Zavadsky as Gol, Radiant Energy Tower Guardian

Aleksandra Peregonets as Ihoshka, Aelita's Maidservant

Iosif Tolchanov as Mars Astronomer with Ihoshka

N. Tretyakova as Yelena, Ehrlich's Wife

Sofya Levitina as President House Committee

Varvara Massalitinova as Neighbour at funeral

Mikhail Zharov as Actor in Play

Vladimir Uralskiy as Soldier

Ivan Chuvelyov as Actor in Play (uncredited)

Vera Drutskaya as Guest at Illegal Bal (uncredited)

Galina Kravchenko as Neighbout at Illegal Bal (uncredited)

Viktor Latyshevskiy as Guest at Illegal Bal (uncredited)

Elena Lenskaya as Guest at Illegal Bal (uncredited)

Leonid Obolensky as Guest at Illegal Bal (uncredited)

Naum Rogozhin as British Officer (uncredited)

Lev Tumanov as Radio Station Engineer (uncredited)

G. Volkonskaya as Guest at Illegal Bal (uncredited)

Boris Lifanov as Guest at Illegal Bal (uncredited)

Nikolay Vishnyak as