Ha! I found it interesting that the actors who played Col. Klink (Hogan’s Heroes) and Maj. Strasser (Casablanca) were both Jewish whose families escaped Nazi persecution. I would think it’d be hard to play those roles as Jews but maybe it was cathartic in other ways?
One of the inside jokes about Hogan’s Heroes is just how many Nazis were parodied by Jewish actors. Which itself was a wry joke!
https://www.youtube.com/results?search_query=hogan%27s+heroes+jewish
Werner Klemperer’s father was Otto Klemperer a famous German symphony conductor who fled Nazi Germany.