After professor creates a robot who looks like blue-eyed boy the criminals become very interested in the invention.
| Actor | Role |
|---|---|
| NNikita GolubentsevThe Boy | The Boy |
 Valentin NikulinProfessor Art | Professor Art |
 Valentin GaftDoctor Kapa | Doctor Kapa |
 Yuriy SarantsevBubnila | Bubnila |
 Leonid KanevskyApperkot | Apperkot |
| ZZane LieldijaLona | Lona |
 Mariya VinogradovaThe Boy (voice) | The Boy (voice) |
 Alla PugachevaLona (voice) | Lona (voice) |
 Alla BudnitskayaNot listed | Not listed |
 Georgios SovchisNot listed | Not listed |
 Aleksandr VigdorovNot listed | Not listed |
 Sergey MalishevskiyNot listed | Not listed |
 Andrey DrozninNot listed | Not listed |
 Stanislav BorodokinNot listed | Not listed |
 Nina KrachkovskayaNot listed | Not listed |
 Igor SurovtsevNot listed | Not listed |
| NNatalija GolubenczevaNot listed | Not listed |
 Nikolai KarnaukhovNot listed | Not listed |
 Aleksei PankinNot listed | Not listed |
| VVitaliy KomissarovBuffoon | Buffoon |