 Georgina AdamSelf - Writer and Journalist | Self - Writer and Journalist |
| WWarren AdelsonSelf - Art Dealer | Self - Art Dealer |
| EEvan BeardSelf - Banker | Self - Banker |
| YYves BouvierSelf - Freeport Owner and Businessman | Self - Freeport Owner and Businessman |
| AAlexandra BregmanSelf - Writer | Self - Writer |
| AAlison ColeSelf - Editor | Self - Editor |
| DDianne Dwyer ModestiniSelf - Restorer | Self - Restorer |
| MMaria Teresa FiorioSelf - Da Vinci Expert | Self - Da Vinci Expert |
| JJacques FranckSelf - Artist and Restorer | Self - Artist and Restorer |
| AAntoine HarariSelf - Investigative Journalist | Self - Investigative Journalist |
 Bradley HopeSelf - Investigative Journalist | Self - Investigative Journalist |
 Martin KempSelf - Da Vinci Expert | Self - Da Vinci Expert |
 David KirkpatrickSelf - Journalist | Self - Journalist |
| SStéphane LacroixSelf - Middle East Expert | Self - Middle East Expert |
| BBruce LamarcheSelf - Bouvier's Associate | Self - Bouvier's Associate |
| BBernd LindemannSelf - Former Berlin Gemäldegallerie Director | Self - Former Berlin Gemäldegallerie Director |
| AAlexander ParishSelf - Sleeper Hunter | Self - Sleeper Hunter |
| DDoug PattesonSelf - Former CIA Agent | Self - Former CIA Agent |
| AAshok RoySelf - London National Gallery Director of Collections | Self - London National Gallery Director of Collections |
| DDidier RyknerSelf - Editor | Self - Editor |
| JJerry SaltzSelf - Art Critic and Writer | Self - Art Critic and Writer |
| KKenny SchachterSelf - Art Critic and Writer | Self - Art Critic and Writer |
| RRobert SimonSelf - Art Dealer | Self - Art Dealer |
| LLuke SysonSelf - Former London National Gallery Curator | Self - Former London National Gallery Curator |
| RRobert K. WittmanSelf - FBI Art Crime Team Founder | Self - FBI Art Crime Team Founder |
| FFrank ZöllnerSelf - Da Vinci Expert | Self - Da Vinci Expert |
 Prince Mohammed bin Salman al SaudSelf - Politician (archive footage) | Self - Politician (archive footage) |
 Leonardo DiCaprioSelf - Actor (archive footage) | Self - Actor (archive footage) |
