Following a string of seasoned moviemakers such as Luc Besson, Doug Liman and Steven Soderbergh, we bring you a relative novice this week in the shape of Benedict Andrews. At least - a novice in cinematic terms.

For Benedict is one of the world's foremost theatre and opera directors, who makes the transition to the screen with psychological thriller Una.

Given this is Benedict's first film, much of the conversation focuses on the differences between the mediums in which he's worked. It also gives us an opportunity to play you examples of music from his stage productions, including extracts from Alex Baranowski's smoky, cinematic score for Streetcar Named Desire, which starred Gillian Anderson.

But there's plenty to discuss when it come to Una too. Starring the ever excellent Rooney Mara and Ben Mendelsohn, the narrative centres on a woman confronting an older man about a illicit sexual relationship which took place in their past. The film is scored by Benedict's friend Jed Kurzel, whose work we discussed at length during a previous show with Jed's brother, Justin.

Jed has developed a reputation as a composer of serious weight, as evidence by the fact he and the London Contemporary Orchestra recently provided the music for Ridley Scott's Alien Covenant. Hardly surprising, then, that Benedict turned to his old mate on taking the plunge from stage to screen ...