Played Heydrich in Holocaust.
Yep. And a sarcastic German officer on the Eastern Front in “Cross of Iron”.
This is where I remember him from. Played the part to the hilt.
https://hornblower.fandom.com/wiki/David_Warner
Sorry but Warner played Reinhard Heydrich in the 1985 movie
“Hitler’s S.S.: Portrait in Evil.” Here it is;
https://www.youtube.com/watch?v=Cq3FJqy7w1A