Max Minghella Director, Screenwriter, Executive Producer Elle Fanning Violet Actor Zlatko Buric Vlad Actor Rebecca Hall Jules Actor Agnieszka Grochowska Marla Actor Clara Rugaard Roxy Actor Millie Brady Anastasia Actor Olive Gray Lisa Actor Ruairi O'Connor Keyan Spears Actor Jordan Stephens Rollo Actor Ursula Holliday Louise Actor Elizabeth Berrington Lorene Actor Antonia Clarke Alice Actor Viktorija Faith Clubber Actor John Locke Gary Actor Fred Berger Producer Brian Kavanaugh-Jones Executive Producer John Janick Executive Producer Tony Seyler Executive Producer David Garrett Executive Producer Jamie Bell Executive Producer Cam McLauchlin Film Editor Marius de Vries Original Music