A group of schoolchildren come upon an alien from Venus, and help him against a gang of criminals who are trying to kidnap him.
| Actor | Role |
|---|---|
| MMarcia MonolescueSumac | Sumac |
| GGillian HarrisonGreta | Greta |
| FFella EdmondsRodney | Rodney |
| AAndrew Motte-HarrisonAdolphus | Adolphus |
| TTony LyonsNumber Thirteen | Number Thirteen |
| HHilda FenemoreMother | Mother |
 Donald GrayHeadmaster | Headmaster |
| PPatrick BoxillMr. Pole | Mr. Pole |
| RRaymond RollettNumber One | Number One |
| PPatrick ConnorNumber Twenty-Nine | Number Twenty-Nine |
| HHenry PurvisNumber Seven | Number Seven |
| PPeter BathurstBank Manager | Bank Manager |