The Missing Piece: Mona Lisa, Her Thief, the True Story Online

Celestina Peruggia - Self - 84 years, daughter of Vincenzo Peruggia, Joe Medeiros - Self, Benito Mussolini - Self (archive footage) , Robert K. Wittman - Self - FBI special agent, investigator in cases involving art theft and art fraud (as Robert Wittman) , Jérôme Coïgnard - Self - art journalist, Aaron Freundschuh - Self - professor of history, Cuny Queens College, Charles Hill - Self - former Scotland Yard investigator in cases involving art theft and art fraud, Milton Esterow - Self - editor and publisher, ARTnews magazine, Donald Sassoon - Self - professor of Comparative European History, Robert Noah - Self - author, Darian Leader - Self - psychoanalyst, Mary S. Gibson - Self - professor, University of Glasgow, Paolo Sorbi - Self, Sabena Sorbi - Self, Fernando De Stefano - Self - on-camera translator (as Nando De Stefano)