Narrator
Michael Emerson
Marie Curie
Juliet Rylance
Antoine Fourcroy
Yan Tual
Antoine Lavoisier
Hugo Becker
Joao Jacinto de Magellan
Marshall Berenson
Robert Southey
Erik Bloomquist
Marie Anne Lavoisier
Ava Deluca-Verley
Jean Charles Trudaine de Montigny
Ronald Guttman
Dmitri Mendeleev
Michael Aronov
Aleksandr Inostrantsev
Gene Ravvin
Eugene-Anatole Demarçay
Martin Rayner
Pierre Curie
Sebastian Roché
Ernest Rutherford
John Curless
Charles G. Darwin
Lucas Dixon
Glenn Seaborg
Nick Gehlfuss
Ed McMillan
Ian Lyons