Might an examination of Leonardo Da Vinci's masterful paintings, highly technical hand-drawn sketches, and private journals reveal knowledge of otherworldly technology and extraterrestrial beings?
| Name | Type | Role | |
|---|---|---|---|
| Matt Donnelly | Writer | ||
| Max Thompson | Writer | ||
| Kevin Burns | Writer | ||
| W. Scott Goldie | Producer | ||
| Philip Coppens | Guest Star | Self - Author, The Ancient Alien Question | |
| John Rodgers | Guest Star | Self - Curator, The Da Vinci Machines Exhibition | |
| Martin Kemp | Guest Star | Self - Emeritus Professor, History of Art, Oxford University, UK | |
| Sean Roberts | Guest Star | Self - Professor of Art History, USC | |
| William Henry | Guest Star | Self - Author, Freedom's Gate | |
| Godfrey Harris | Guest Star | Self - Curator, Da Vinci Exhibit | |
| Giorgio A. Tsoukalos | Guest Star | Self - Publisher, Legendary Times Magazine | |
| Michael Dennin | Guest Star | Self - Physicist, Univ. of California, Irvine | |
| Sean-David Morton | Guest Star | Self - Theologian/Radio Host | |
| David Childress | Guest Star | Self - Author, Technology of the Gods | |
| Jonathan Young | Guest Star | Self - Founding Curator, Joseph Campbell Archives | |
| William Wallace | Guest Star | Self - Professor of Art History, Washington University, St. Louis, MO | |
| Terrence Masson | Guest Star | Self - Director of Creative Industries, Northeastern University, Boston, MA | |
| Betty Ann Brown | Guest Star | Self - Professor of Art History, California State University, Northridge | |
| Kim Sheerin | Executive Producer | Co-Executive Producer | |
| Scott Hartford | Executive Producer | Co-Executive Producer | |
| Rich Monahan | Executive Producer | Co-Executive Producer | |
| Kevin Burns | Executive Producer | ||
| Susan E. Leventhal | Executive Producer | for H2 Network |