The White House has consistently denied having any knowledge of alien craft visiting Earth, but presidential encounters with UFOs and other strange phenomena can be found going all the way back to George Washington.
| Name | Type | Role | |
|---|---|---|---|
| Kevin Burns | Writer | ||
| Max Thompson | Writer | ||
| Gabriel Rotello | Writer | ||
| Kristina Djokic | Writer | ||
| Michelle Gorski | Producer | Supervising Producer | |
| Gabriel Rotello | Producer | ||
| Nick Pope | Guest Star | Self - U.K. Ministry of Defense (1985-2006) | |
| Larry Holcombe | Guest Star | Self - Author, The Presidents and UFOs | |
| John Podesta | Guest Star | Self - White House Chief of Staff 1998 - 2001 | |
| Martin K.A. Morgan | Guest Star | Self - Author/Historian | |
| Stephen Bassett | Guest Star | Self - Executive Director, Paradigm Research Group | |
| Linda Moulton Howe | Guest Star | Self - Investigative Journalist, Earthfiles | |
| Bill Birnes | Guest Star | Self - Author, UFOs and the White House | |
| Grant Cameron | Guest Star | Self - Author, Presidents and UFOs | |
| Giorgio A. Tsoukalos | Guest Star | Self - Publisher, Legendary Times Magazine | |
| David Childress | Guest Star | Self - Author, Technology of the Gods | |
| Laura Eisenhower | Guest Star | Self - Great-Granddaughter of President Dwight D. Eisenhower | |
| Tucker Carlson | Guest Star | Self - Host, Tucker Carlson Tonight | |
| William Henry | Guest Star | Self - Author/Investigative Mythologist | |
| Dennis Kucinich | Guest Star | Self - 2008 Presidential Candidate | |
| David Silver | Executive Producer | ||
| Susan E. Leventhal | Executive Producer | for HISTORY | |
| Max Thompson | Executive Producer | ||
| Kim Egan | Executive Producer | ||
| Giorgio A. Tsoukalos | Executive Producer | Co-Executive Producer | |
| Kevin Burns | Executive Producer | ||
| Evan Goldstein | Executive Producer | Co-Executive Producer |