"Dictionary of jewish Surnames from Galicia" - You can find his surname here (page must load fully):
https://www.avotaynu.com/books/DJSGNames.htm
https://archive.ph/bMphm
Also,
Probably his relative and evidence that "Viel" family has been involved in (((filmmaking industry))) for long time and collaborateing with another infamous (((surname))):
https://en.m.wikipedia.org/wiki/Marguerite_Viel
>Viel was also a frequent collaborator of Jean **Epstein**, lending financial support to many of Epstein's films.[4]
No written evidence she was jewish, but her photo says it all: https://pic8.co/sh/bh2MKI.jpg
(post is archived)