Secret agent Roger Pryor is dispatched below the border to protect an important scientific formula. Believe it or don't, this mixture has the ability to render things invisible.
| Actor | Role |
|---|---|
 Roger PryorMike Lawrence | Mike Lawrence |
 Virginia ValeJanice 'Jan' Martin, aka Dolores Esteban | Janice 'Jan' Martin, aka Dolores Esteban |
 Lionel RoyceBurns | Burns |
 Lucien PrivalRaynor | Raynor |
 Duncan RenaldoCaptain of Police | Captain of Police |
 Lester DorrJoe | Joe |
 Jack IngramWilton | Wilton |
 Hugh BeaumontPaul Martin | Paul Martin |
| WWarren JacksonLake | Lake |
 Edward KeaneColonel Stoddard | Colonel Stoddard |
 Sam McDanielRodriguez Lincoln 'Rod' Jones | Rodriguez Lincoln 'Rod' Jones |