I have seen the silent one with Mr. Barrymore only yesterday and it was okay. Barrymore was one of the best actors of the silent era for sure.
Regarding the Technicolor one with Mr. Flynn, it was more interesting. Errol was a remarkable actor and could have done so much more.
(I have seen this film three times already.)
I thought the silent one was more focused on Don Juan from beginning to end, like the novel.
Overall, I prefer the Errol Flynn one because it was more about Don Juan the lover AND hero. Instead of always chasing women around he actually helps s