Succession star Brian Cox has slammed Joaquin Phoenix‘s “terrible” performance in Napoleon – see what he had to say below.While attending HistFest earlier this week, Cox spoke about a number of films, actors, theatre critics, and politicians that he had deemed “terrible” – which included Napoleon and its star Joaquin Phoenix.According from a report from The Standard, Cox said of Phoenix’s role in Napoleon: “Terrible. It’s terrible. A truly terrible performance by Joaquin Phoenix.