Extraterrestrials could be altering human DNA and repopulating the Earth with alien/human hybrids; following the trail of evidence from ancient cultures to modern-day animal mutilations and alien abductions.
| Name | Type | Role | |
|---|---|---|---|
| Chris Gattanella | Writer | ||
| Jim Hense | Writer | ||
| Kevin Burns | Writer | ||
| Max Thompson | Writer | ||
| Jim Hense | Producer | ||
| Giorgio A. Tsoukalos | Guest Star | Self - Publisher, Legendary Times Magazine | |
| Nick Redfern | Guest Star | Self - Author, Bloodline of the Gods | |
| Nick Pope | Guest Star | Self - U.K. Ministry of Defense (1985-2006) | |
| Barbara Lamb | Guest Star | Self - Regression Hypnotherapist | |
| David Childress | Guest Star | Self - Author, Technology of the Gods | |
| Robert Fullington | Guest Star | Self - Abduction Experiencer | |
| Linda Moulton Howe | Guest Star | Self - Investigative Journalist, Earthfiles | |
| Michael Dennin | Guest Star | Self - Physicist, Univ. of California, Irvine | |
| Erich von Däniken | Guest Star | Self - Author, Chariots of the Gods | |
| Susan E. Leventhal | Executive Producer | for HISTORY | |
| Giorgio A. Tsoukalos | Executive Producer | Co-Executive Producer | |
| David Silver | Executive Producer | ||
| Max Thompson | Executive Producer | ||
| Kim Sheerin | Executive Producer | ||
| Kevin Burns | Executive Producer | ||
| Anthony Fiorino | Executive Producer |