Name	Known for
Vlasta Vrana Narrator (voice) Narrator (voice) See fewer	The Glass Castle (2017)
Ian Finlay Actor (voice) Actor (voice) See fewer	The Secret World of Santa Claus (1997)
Kim Handysides Actress (voice) Actress (voice) See fewer	Shut In (I) (2016)
Benoît Rousseau Actor (voice) Actor (voice) See fewer	Assassin's Creed: Revelations (2011)
Christian Page Self Self See fewer	Portal to the Unknown (2013)
Serge Alain Cambronne Actor (as Serge-Alain Cambronne) Actor (as Serge-Alain Cambronne) See fewer	Warm Bodies (2013)
Madeleine Charpentier Actress Actress See fewer	Enquête sur les OVNIs (2004)
Sylvain Nault Actor Actor See fewer	Enquête sur les OVNIs (2004)
François Bourbeau Self Self See fewer	Alter Ego (1981)
Gidas Bourdais Self (as Gildas Bourdais) Self (as Gildas Bourdais) See fewer	Le temps des ovnis (2022)
Marie-Thérèse de Brosses Self - Journaliste reporter Self - Journaliste reporter See fewer	Le temps des ovnis (2022)
Betty Hill Self Self See fewer	Where Are All the UFO's? (1996)
Budd Hopkins Self - Auteur et ufologue Self - Auteur et ufologue See fewer	White Light (2007)
David Jacobs Self Self See fewer	UFOs: It Has Begun (1979)
Jean-Rock Laurence Self - Psychologue Self - Psychologue See fewer	Portal to the Unknown (2013)
Roger Leir Self - Podiatre Self - Podiatre See fewer	Alien Implants: Evidence of UFO Abductions and Encounters (2023)
Michel Meurger Self - Auteur et historien du folklore Self - Auteur et historien du folklore See fewer	Le Monde de Lovecraft (2023)
Michael Persinger Self Self See fewer	Riddle of the Skies (1999)
Jean-Luc Rivera Self - Ufologue et éditeur Self - Ufologue et éditeur See fewer	Bits, magazine presque culte (2013)
John Spencer Self Self See fewer	Forces obscures (2007)
Barney Hill Self (archive footage) (uncredited) Self (archive footage) (uncredited) See fewer	To Tell the Truth (1956)