Judi Dench (Joan Elizabeth Stanley), Sophie Cookson (Young Joan Elizabeth Stanley), Tom Hughes (Leo Galich), Tereza Srbová (Sonya Galich), Stephen Campbell Moore (Max), Ben Miles (Nick), Nina Sosanya (Ms. Hart) more..., Laurence Spellman (Mr Adams), Nicola Sloane (Joan's Neighbor), Freddie Gaminara (William), Raj Swamy (Kharak), Adrian Wheeler (Heckler), Lulu Meissner (Waitress), Phill Langhorne (Uniformed Policeman), Mike Sykes (Security Guard), Ed Birch (Donald), Debbie Chazen (Karen), Robin Soans (Clement Attlee), Raymond Coulthard (James Chadwick), Simon Ludders (Naval Captain), Stuart Milligan (Taylor Scott), Stephen Boxer (Peter Kierl), Lily Delderfield (Katya), Jessica Delderfield (Katya), Ciarán Owens (Detective Hughes), Kevin Fuller (Detective Phillips), Hasan Dixon (Police Constable), Richard Teverson (Detective Watson), Steven Hillman (Prison Guard), Irfan Shamji (Journalist)

Lindsay Shapero (Screenplay), Zac Nicholson (Director of Photography), Cristina Casali (Production Design), Kristina Hetherington (Editor), George Fenton (Original Music Composer), David Parfitt (Producer), Tim Haslam (Executive Producer) more..., James Atherton (Executive Producer), Priscilla John (Casting), Orla Maxwell (Casting), Sallie Jaye (Makeup & Hair), Charlotte Walter (Costume Designer), Jennie Rooney (Novel), Zygi Kamasa (Executive Producer), Hugo Grumbar (Executive Producer), Jan Pace (Executive Producer), Kelly E. Ashton (Executive Producer), Karl Sydow (Executive Producer), Ivan Mactaggart (Co-Producer), Alice Dawson (Co-Producer), Cleone Clarke (Associate Producer), Beth Timbrell (Production Manager), Cordelia Hardy (First Assistant Director), Tanya Bowd (Set Decoration), Sion Clarke (Supervising Art Director), Will Whale (Sound Mixer), Kim Armitage (Script Supervisor), Frances Bennett (Graphic Designer), Andy Long (Gaffer), Nick Wall (Still Photographer), Parisa Taghizadeh (Still Photographer), Chris Reynolds (Special Effects Supervisor), Nick Adams (Supervising Sound Editor), Vanessa Taylor (Colorist), Craig Irving (Sound Re-Recording Mixer), Max Walsh (Sound Re-Recording Mixer), Sue Harding (Foley Artist), Dario Swade (Foley Editor), Mark Knapton (Visual Effects Supervisor),