Premise: Interlude in Prague is a 2017 film about Wolfgang Amadeus Mozart starring Aneurin Barnard, James Purefoy, Samantha Barks, Morfydd Clark, Adrian Edmondson and Anna Rust. It was directed by John Stephenson, written by Brian Ashby, and screenplay by Brian Ashby, Helen Clare Cromarty, and John Stephenson.
Hypothesis: The agent mentions six actors of the movie