Adventure story for children about the accidental discovery of a formula for invisibility and the attempts of a couple of crooks to misuse it.
| Actor | Role |
|---|---|
| RRaymond BoalNot listed | Not listed |
| KKim CliffordNot listed | Not listed |
 Perry BensonNot listed | Not listed |
 Graham StarkNot listed | Not listed |
 Patrick NewellBasil | Basil |
 George InnesFingers | Fingers |