The first transatlantic communications cable, traversing the ocean floor from Valentia Island, County Kerry, to Newfoundland, Canada, 165 years ago was an 8 year endeavor that helped lay the foundation of the modern technology industry and explains the fragility of undersea cables today.
| Actor | Role |
|---|---|
 Jessie BuckleySelf - Narrator (voice) | Self - Narrator (voice) |