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 director wanted Wolfgang Amadeus Mozart to star in the movie.