About the film
Keep Quiet is a 2016 biographical documentary film about Hungarian politician Csanád Szegedi, known for his antisemitic comments and membership in the radical nationalist party Jobbik, who later discovered he was Jewish. The British-made film includes interviews with Szegedi, his grandmother who was a former Auschwitz concentration camp survivor and archive footage.
From the film's Wikipedia article (CC BY-SA 4.0).