Amma Asante Director, Screenwriter Amandla Stenberg Leyna Actor George MacKay Lutz Actor Abbie Cornish Kerstin Actor Christopher Eccleston Actor Tom Sweet Actor Will Attenborough Gunter Actor Alec Newman Juttner Actor Tom Goodman-Hill Wihelm Warner Actor Tim Faraday Betz Actor Charlie Hanson Producer Alice Dawson Producer Christian Eisenbeiss Executive Producer Phil Hunt Executive Producer Nadia Khamlichi Executive Producer Steve Milne Executive Producer Robert Norris Executive Producer Remi Adefarasin Cinematographer Steve Singleton Film Editing