Adam Patterson Director, Screenwriter Declan Lawn Director, Screenwriter James Norton Robert Freegard Actor, Producer Gemma Arterton Alice Archer Actor Marisa Abela Sophie Jones Actor Shazad Latif Sonny Chandra Actor Sarah Goldberg Jenny Jackson Actor Jimmy Akingbola Andrew Actor Freya Mavor Mae Hansen Actor Edwina Findley Special Agent Sandy Harland Actor Julian Barratt Phil Actor Michael Bronner Screenwriter, Producer Kitty Kaletsky Producer Robert Taylor Producer Gina Carter Producer Herbert Kloiber Producer Robert Halmi Executive Producer Olivia Pahl Executive Producer Jim Reeve Executive Producer Harold van Lier Executive Producer Larry Smith Cinematographer Mags Arnold Film Editing Hannah Peel Original Music Catrin Meredydd Production Design Charles De La Mare Art Director Jo Delo Set Decoration Emily-Rose Yiaxis Costume Design Julie Harkin Casting