Everything you need to know about Paul Mescal's Hollywood debut

He's in a film with Kerry actress Jessie Buckley — and Olivia Colman and Dakota Johnson

Dakota Johnson and Paul Mescal attend Netflix's "The Lost Daughter" reception during the 59th New York Film Festival at Altro Paradiso on September 29 in New York City. Picture: Monica Schipper/Getty Images

Paul Mescal rubbed shoulders with some of Hollywood’s greats at the New York premiere of his upcoming movie, The Lost Daughter, — but who does he play? What’s it about? And when can we watch it in Ireland?

What is it about?