My inspiration came from What's the Mashup? (https://www.youtube.com/watch?v=EmnSm_d2ll4) but I didn't manage 100! The idea was to do the same for movies from the Golden Age – meaning no title later than 1953 (although there is one at the end.) Oh, and none of these clips was sped up or slowed down.
Turn on subtitles to find out the film names.
PS. I write books as well. Here's two very reasonably priced ones about movies: