Name	Known for
Lucien Jean-Baptiste Narrator in French version (voice) Narrator in French version (voice) See fewer	La première étoile (2009)
Birgitta Assheuer Narrator in German version (voice) Narrator in German version (voice) See fewer	Kulturzeit (1995)
David Gasman Narrator in English version (voice) Narrator in English version (voice) See fewer	Indigo Prophecy (2005)
Elaine Frantz Self, historian, Kent State University Self, historian, Kent State University See fewer	Ku Klux Klan: An American Story (2020)
Linda Gordon Self, professor of history at New York University Self, professor of history at New York University See fewer	Hugh Hefner: Playboy, Activist and Rebel (2009)
Chris Buckley self, former member of the Ku Klux Klan self, former member of the Ku Klux Klan See fewer	Ku Klux Klan: An American Story (2020)
Felix Harcourt self, assistant professor of history, Austin College self, assistant professor of history, Austin College See fewer	Ku Klux Klan: An American Story (2020)
Mark Potok self, expert on the Radical Right self, expert on the Radical Right See fewer	Oklahoma City (2017)
Adam Green self, associate professor of American history, University of Chicago self, associate professor of American history, University of Chicago See fewer	Ku Klux Klan: An American Story (2020)
David Cunningham Self - Professor and Chair of Sociology, Washington University, Saint Louis Self - Professor and Chair of Sociology, Washington University, Saint Louis See fewer	Laughing for Silver (2008)
William Joseph Simmons Self (archive footage) Self (archive footage) See fewer
Woodrow Wilson Self (archive footage) Self (archive footage) See fewer	The Adventures of a Boy Scout (1915)
Hiram Wesley Evans Self (archive footage) Self (archive footage) See fewer
Franklin D. Roosevelt Self (archive footage) Self (archive footage) See fewer	The President's Mystery (1936)
Arthur Bell self, Ku Klux Klan leader (archive footage) self, Ku Klux Klan leader (archive footage) See fewer
Augustus Klapprott Self, German American Bund (archive footage) Self, German American Bund (archive footage) See fewer
Samuel Green self, Grand Wizard of the Knights of the Ku Klux Klan (archive footage) self, Grand Wizard of the Knights of the Ku Klux Klan (archive footage) See fewer
Arnaud Arbessier Additional Speaker (voice) Additional Speaker (voice) See fewer	Flash Gordon (1996)
Philippe Catoire Additional Speaker (voice) Additional Speaker (voice) See fewer	Days Gone (2019)
Georges Caudron Additional Speaker (voice) Additional Speaker (voice) See fewer	Joséphine ou la comédie des ambitions (1979)
Bruno Choel Additional Speaker (voice) Additional Speaker (voice) See fewer	Final Fantasy XV (2016)
Patrick Delage Additional Speaker (voice) Additional Speaker (voice) See fewer	Star Fox 64 3D (2011)
Sylvain Lemarie Additional Speaker (voice) (as Sylvain Lemarié) Additional Speaker (voice) (as Sylvain Lemarié) See fewer	Flash Gordon (1996)
Louise Lemoine Torrès Additional Speaker (voice) Additional Speaker (voice) See fewer	Before Sunset (2004)
Marie-Christine Letort Additional Speaker (voice) Additional Speaker (voice) See fewer	Gangsterdam (2017)
Bruno Magne Additional Speaker (voice) Additional Speaker (voice) See fewer	Maximum Risk (1996)
Stéphane Ronchewski Additional Speaker (voice) Additional Speaker (voice) See fewer	Batman: Arkham City (2011)