An adventure story for children involving a professor's efforts to discover an antidote to some 'shrinking' pills, and the attempted theft of his formula by two crooks
| Actor | Role |
|---|---|
| RRay GlastonburyNot listed | Not listed |
 Charlie DrakeNot listed | Not listed |
 Milo O'SheaNot listed | Not listed |
| SSydney BromleyNot listed | Not listed |
 Richard CaldicotNot listed | Not listed |
| AAlan CurtinsNot listed | Not listed |