Conversation so far:
When did the film Shakespeare in Love begin production?
Shakespeare in Love went into production in 1991.
Where was Shakespeare in Love filmed?
Among the locations used in the production were Hatfield House, Hertfordshire, Broughton Castle, Oxfordshire, the beach at Holkham in Norfolk, and the Great Hall of Middle Temple, London.

Question: Who were the actors?
Self-contained rewrite: Who were the actors in Shakespeare in Love?