Vladimir Zamanskiy

as The Unknown Man

as Snegovoy

as Leonid Lyuberetsky

as Madzini

as Alexander Ivanovich Lazarev

as Иванков, военный инженер 2-го ранга, командир особой группы

as Professor's Telephone Interlocutor (voice) (uncredited)

as Batov

as Баев, командир красного полка

as Sergei