Accounts of creatures that can shape shift from one form into another can be found, but could similarities between the ancient stories and modern-day alien abduction accounts reveal that shape shifters are real and have come to Earth.
| Name | Type | Role | |
|---|---|---|---|
| Ruth O'Neill | Writer | ||
| Erik Pinkston | Writer | ||
| Max Thompson | Writer | ||
| Evan Goldstein | Writer | ||
| Erik Pinkston | Producer | ||
| Michael Dennin | Guest Star | Self - Physicist, Univ. of California, Irvine | |
| David Childress | Guest Star | Self - Author, Technology of the Gods | |
| Andrew Collins | Guest Star | Self - Author, The Cygnus Key | |
| Jonathan Young | Guest Star | Self - Founding Curator, Joseph Campbell Archives | |
| Jonathan Dover | Guest Star | Self - Navajo Nation Ranger, 1980-2011 | |
| Kirsten Fisher | Guest Star | Self - Biologist, Cal State Univ. Los Angeles | |
| Travis Walton | Guest Star | Self - Author, Fire in the Sky | |
| Bill Birnes | Guest Star | Self - Co-Author, The Day After Roswell | |
| Richard 'Ric' Rader | Guest Star | Self - Author, Written in the Cosmos | |
| Amir Hussain | Guest Star | Self - Prof. of Theological Studies, Loyola Marymount University | |
| Michael Salla | Guest Star | Self - Founder, Exopolitics Institute | |
| Linda Moulton Howe | Guest Star | Self - Investigative Journalist, Earthfiles | |
| William Henry | Guest Star | Self - Author/Investigative Mythologist | |
| Lynn Picknett | Guest Star | Self - Co-Author, The Forbidden Universe | |
| Nick Pope | Guest Star | Self - U.K. Ministry of Defense (1985-2006) | |
| Amy Shira Teitel | Guest Star | Self - Author, Fighting for Space | |
| Giorgio A. Tsoukalos | Guest Star | Self - Publisher, Legendary Times Magazine | |
| Deepak Shimkhada | Guest Star | Self - Professor of Hindu Studies, Claremont Lincoln University | |
| Bruce Fenton | Guest Star | Self - Author, Exogenesis: Hybrid Humans | |
| Giorgio A. Tsoukalos | Executive Producer | Co-Executive Producer | |
| Max Thompson | Executive Producer | ||
| Evan Goldstein | Executive Producer | Co-Executive Producer | |
| Kim Egan | Executive Producer | ||
| Kevin Burns | Executive Producer | ||
| Susan E. Leventhal | Executive Producer | for HISTORY | |
| David Silver | Executive Producer |