The comedy group Firesign Theatre satirizes the old Saturday afternoon cliffhangers by taking clips from many Republic Pictures serials and substituting their own comedy dialogue.
| Actor | Role |
|---|---|
 Phil ProctorVarious Roles (Voice) | Various Roles (Voice) |
| PPeter BergmanVarious Roles (voice) | Various Roles (voice) |
| PPhilip AustinVarious Roles (voice) | Various Roles (voice) |