André Comte-Sponville as Himself

Marcelo Gleiser as Himself

Thierry Paquot as Himself

Arnaldo Jabor as Himself

Francis Wolff as Himself

Luiz Alberto Oliveira as Himself

Raymond Kurzweil as Himself

Erick Felinto as Himself

Stevens Rehen as Himself

Domenico De Masi as Himself

Arthur Dapieve as Himself

Alexandre Kalache as Himself

Monja Coen as Herself

Tom Chatfield as Himself

Analice Gigliotti as Herself

Nélida Piñon as Herself

Max More as Himself

Natasha Vita-More as Herself

Nilton Bonder as Himself