A superhero becomes invisible after he swallows an Indian potion.
| Actor | Role |
|---|---|
 Dean JonesPeter Denwell | Peter Denwell |
 Philippe LeroyNot listed | Not listed |
 Gastone MoschinKokofrecovitch | Kokofrecovitch |
 Ingeborg SchönerIrene | Irene |
 Rafael AlonsoFlauvin | Flauvin |
 Roberto CamardielBeithel | Beithel |
 Luciano PigozziRaymond | Raymond |
 Amalia de IsauraMamma Spot | Mamma Spot |
| MMarco MorelliArcher | Archer |
 Franco ResselNot listed | Not listed |
| BBruno BoschettiNot listed | Not listed |
 Liana Del BalzoNot listed | Not listed |
 Giacomo FuriaNot listed | Not listed |
 Ignazio LeoneNot listed | Not listed |