Treasure hunter Marty Lagina and Ancient Astronaut theorist Giorgio A. Tsoukalos explore the bizarre statues, mysterious pyramids and gigantic structures left behind by one of the most mysterious cultures in the ancient world in Sardinia, Italy.
| Name | Type | Role | |
|---|---|---|---|
| Max Thompson | Writer | ||
| Katie Raines DeLoach | Writer | ||
| Kevin Burns | Writer | ||
| Nadia Nikolic Bowen | Writer | ||
| Nadia Nikolic Bowen | Producer | Supervising Producer | |
| Ivana Malu | Guest Star | Self - Archaeological Guide | |
| Hugh Newman | Guest Star | Self - Author, Earth Grids | |
| Andrew Collins | Guest Star | Self - Author, The Cygnus Key | |
| Ariel Bar Tzadok | Guest Star | Self - Founder, KosherTorah School | |
| Timothy Alberino | Guest Star | Self - Author, Alien Armageddon | |
| Maria Paola Loi | Guest Star | Self - Archaeological Guide | |
| David Childress | Guest Star | Self - Author, Technology of the Gods | |
| Giorgio A. Tsoukalos | Guest Star | Self - Publisher, Legendary Times Magazine | |
| Jason Martell | Guest Star | Self - Author, Knowledge Apocalypse | |
| Mauro Peppino Zedda | Guest Star | Self - Author, Astronomy In Prehistoric Sardina | |
| Marty Lagina | Guest Star | Self - Oak Island Treasure Hunter | |
| Jonathan Young | Guest Star | Self - Founding Curator, Joseph Campbell Archives | |
| William Henry | Guest Star | Self - Author/Investigative Mythologist | |
| Jason Osequeda | Guest Star | Self - Mediterranean Historian | |
| Susan E. Leventhal | Executive Producer | for HISTORY | |
| Giorgio A. Tsoukalos | Executive Producer | Co-Executive Producer | |
| Kevin Burns | Executive Producer | ||
| Kim Sheerin | Executive Producer | ||
| David Silver | Executive Producer | ||
| Max Thompson | Executive Producer |