James Kent Director Alicia Vikander Vera Brittain Actor Kit Harington Roland Leighton Actor Taron Egerton Edward Brittain Actor Colin Morgan Victor Richardson Actor Emily Watson Mrs. Brittain Actor Dominic West Mr. Brittain Actor Hayley Atwell Hope Actor Miranda Richardson Miss Lorimer Actor Anna Chancellor Mrs. Leighton Actor Charlotte Hope Betty Actor Joanna Scanlan Aunt Belle Actor Jonathan Bailey Geoffrey Thurlow Actor Juliette Towhidi Screenwriter David Heyman Producer Rosie Alison Producer Christine Langan Executive Producer Joe Oppenheimer Executive Producer Richard Mansell Executive Producer Hugo Heppell Executive Producer Zygi Kamasa Executive Producer Rob Hardy Cinematographer Lucia Zucchetti Film Editing Max Richter Original Music Jon Henson Production Design Christopher Wyatt Art Director Robert Wischhusen-Hayes Set Decoration Lucy Bevan Casting Consolata Boyle Costume Design