Historians and engineers investigate how Allied forces conspired to destroy Hitler's "supergun".
| Actor | Role |
|---|---|
| CCraig SechlerNarrator | Narrator |
 Jim CarterNarrator (voice) | Narrator (voice) |
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Historians and engineers investigate how Allied forces conspired to destroy Hitler's "supergun".
| Actor | Role |
|---|---|
| CCraig SechlerNarrator | Narrator |
| Jim CarterNarrator (voice) | Narrator (voice) |