Joining Phoenix and Kirby are Tahar Rahim as Paul Barras, Ben Miles as Caulaincourt, Ludivine Sagnier as Theresa Cabarrus, and Matthew Needham as Lucien Bonaparte, Napoleon’s brother. The ensemble also includes Youssef Kerkour, Phil Cornwell, Edouard Philipponnat, Ian McNeice, Paul Rhys, John Hollingworth, Gavin Spokes, and Mark Bonnar.