Annabel Jankel Director, Producer Anna Paquin Dr. Jean Markham Actor Holliday Grainger Lydia Actor Emun Elliott Robert Actor Gregor Selkirk Charlie Weekes Actor Lauren Lyle Annie Kranmer Actor Kate Dickie Pam Kranmer Actor Rebecca Hanssen Irene Actor Billy Boyd Older Charlie Voice Henrietta Ashworth Screenwriter Jessica Ashworth Screenwriter Daisy Allsop Producer Nik Bower Producer Nick Hill Producer Laure Vaysse Producer Bartosz Nalazek Cinematographer Jon Harris Film Editing Maya Maffioli Film Editing Claire M. Singer Original Music Andy Harris Production Design Caroline Grebbell Art Director Stephen Mason Art Director Alison Mitchell Costume Design Daniel Hubbard Casting