One of the most wonderful parts of writing a novel in the days of the Internet are the limitless resources that are only a click a way. There are a lot of film clips about Cuba both before the revolution and afterwards that are free and easily found. I happened upon this link which shows Ed Sullivan interviewing Fidel Castro in Havana within weeks of Batista being overthrown. Here's a shot from the archives of the Chicago Tribune:
I wonder if Ed Sullivan ever looked back to see how thoroughly he was duped. Castro played him like a proverbial violin.