Impostors

Philippe Berre (born 6 June 1954 in Paris, France) is a French impostor and confidence trickster whose story inspired a 2009 movie In the Beginning by Xavier Giannoli, where Berre was interpreted by French actor François Cluzet.

Misha Defonseca (born Monique de Wael) is a Belgian-born impostor and the author of a fraudulent Holocaust memoir titled Misha: A Mémoire of the Holocaust Years, first published in 1997 and at that time professed to be a true memoir. It became an instant success in Europe and was translated into 18 languages. The French version of the book was a derivative work based on the original with the title Survivre avec les loups (Surviving with Wolves) that was published in 1997 by the Éditions Robert Laffont; this second version was adapted into the French film of the same name in 2007.On 29 February 2008, the author as well as her lawyers admitted that the bestselling book was fraudulent, despite its having been presented as autobiographical.
In 2014 a US court ordered Defonseca to repay her US publisher Mt. Ivy Press $22 million that she had been awarded in an earlier legal suit against the publisher.

Frédéric Pierre Bourdin (born 13 June 1974) is a French serial impostor the press has nicknamed "The Chameleon". He began his impersonations as a child and claims to have assumed at least 500 false identities; three being teenage missing people.

Jean-Claude Romand (born 11 February 1954) is a French spree killer and impostor who pretended to be a medical doctor for 18 years before killing his wife, children and parents in January 1993 when he was about to be exposed.
Heavy suspicions also weigh around the death of his father-in-law, Pierre Crolet, who fell from a staircase on 23 October 1988. Jean-Claude Romand is the only witness to the alleged accident.