Conversation so far:
What can you tell me about the film Caligula's development?
Vidal's screenplay had a strong focus on homosexuality, leading Guccione to demand rewrites which toned down the homosexual content for wider audience appeal.
What idea did Guccione have in mind for the screenplay of the film Caligula?
Guccione was concerned that Vidal's script contained several homosexual sex scenes and only one scene of heterosexual sex, which was between Caligula and his sister Drusilla.

Question: Where was the movie developed?
Self-contained rewrite: Where was the film Caligula developed?