Robert Simon
Self / The Merchant #1

Basil Hendry
Self - Son of the Painting's Owner (voice)

Dianne Dwyer Modestini
Self - Painting Conservator

Luke Syson
Self / The Curator

Martin Kemp
Self / The Expert

Matthew Landrus
Self / The Researcher

Scott Reyburn
Self / The Journalist

Warren Adelson
Self / The Merchant #2

Nicolas Joly
Self - Former Shoteby's France VP

Dmitry Rybolovlev
Self / The Oligarch

Yves Bouvier
Self / The Right-hand Man

Jean-Marc Ange Peretti
Self - Bouvier's Partner

Hervé Témime
Self - Rybolovlev's Lawyer

Anne Lamunière
Self - Former Christie's Manager

Princess Alia al Senussi
Self - Prince Badr's Adviser

Chris Dercon
Self / The Mercenary

Loïc Gouzer
Self / The Marketing Genius (archive footage)

Leonardo DiCaprio
Self - Actor (archive footage)

Alan Wintermute
Self - Painting Expert (archive footage)

Robert Frank
Self - Financial Journalist (archive footage)