Experts question whether the moon is just a rock floating in space, or whether it holds profound secrets and perhaps even possesses incredible powers.
| Name | Type | Role | |
|---|---|---|---|
| Doug Gordon | Writer | ||
| Rob O'Brien | Writer | ||
| Sandrine Magloire-Szlasa | Producer | ||
| William Shatner | Host | ||
| David Avery | Guest Star | Self - Psychiatrist, University of Washington | |
| Amy Shira Teitel | Guest Star | Self - Author, Breaking the Chains of Gravity | |
| Michael 'Mike' Bara | Guest Star | Self - Co-Author, Dark Mission: The Secret History of NASA | |
| Michael Dennin | Guest Star | Self - Physicist, UC Irvine | |
| Lynn Picknett | Guest Star | Self - Co-Author, The Forbidden Universe | |
| Michio Kaku | Guest Star | Self - Physicist, CUNY | |
| Jonathan Young | Guest Star | Self - Founding Curator, Joseph Campbell Archives | |
| Maggie Aderin-Pocock | Guest Star | Self - Author, The Book of the Moon | |
| Eric W. Hickey | Guest Star | Self - Forensic Psychologist | |
| Brian Keating | Guest Star | Self - Prof. of Cosmology, UC San Diego | |
| Kim Egan | Executive Producer | ||
| Kevin Burns | Executive Producer | ||
| Joe Lessard | Executive Producer | ||
| William Shatner | Executive Producer | ||
| Rob O'Brien | Executive Producer | ||
| David Comtois | Executive Producer | ||
| Susan E. Leventhal | Executive Producer | for HISTORY |