He is father to actor Crispin Glover, who played George McFly, Michael J Fox character Marty dad in Back To The Future 1. Really?
https://www.foxnews.com/entertainmen...illain-dead-92
He is probably most recognized as the James Bond villain
https://www.imdb.com/title/tt0066995...ers/nm0323098/
He was also in Chinatown as Duffy. I don't remember him in there.
https://www.imdb.com/title/tt0071315...ers/nm0323098/