Tom Felton Archibald
Anna Maxwell Martin Mrs McAllister
Damian Lewis Lord Davenport
Tom Goodman-Hill Inspector Watt
Hayley Mills Rose Davenport (voice)
Katherine Waterston Lady Davenport
Thomasin McKenzie Rose
Tim McMullan Cyril
Jimmy Carr Writer, Vicar, Original Concept, Executive Producer, Producer
Ramon Tikaram Darvesh Khalid
Lee Boardman Karl
Chris Lyons Special Effects Makeup Artist
Emma Laird Poppy
John Thomson Bill
Glen Gathard Supervising Sound Editor
Sue Johnston Great Aunt Bonaparte
Shaun Mason Army Officer
Ben Radcliffe Eric
David Arnold Original Music Composer
Charlie Rawes Drunk Alan / Prison Guard
Kris Thykier Producer
Jim O'Hanlon Director
Elaine Grainger Casting
Jason Done JRR Tolkien
Compton Ross Executive Producer
Karen Henthorn Sister Jude
Zoe Freed Foley Editor
Ian Bartholomew Austin Blaine
Rosalind Ebbutt Costume Design
Babak Anvari Executive Producer
Lizzie Hopley Phyllis Davenport
Lily Knight Fifi Valentine
Derek Trigg Foley Artist
Phil Hunt Executive Producer
Nathan McMullen Alexander
Tim Inman Writer
Nick Shumaker Executive Producer
Steve Dawson Writer
Colin Fair Editor
Oli Julian Original Music Composer
Andrew Dawson Writer
Danny Perkins Producer
Adam Woodward Bert Chester
Alex Butler Lionel (uncredited)
Gemma Wardle Gladys
Magdalena Sverlander Rose Seller
Dean Fagan Prison Guard
Melanie Lenihan Makeup Artist
Andrew Karpen Executive Producer
Greg McManus Line Producer
Natalie Fox Makeup Artist, Hairstylist
Lucan Toh Executive Producer
Chris Richmond Production Design
Paula Wharton Mrs Kitchen
Patrick Carr Original Concept, Executive Producer, Writer
David Levine Executive Producer
Arron Monkman First Assistant "A" Camera
Kent Sanderson Executive Producer
Paul Munn Co-Producer
Kyle Biggs Art Direction
Philipp Blaubach Director of Photography
Sim Bala First Assistant Camera
Jason McNab Executive Producer
Nathan Hall Footman (uncredited)
Holly Jenkins Makeup Artist
Joey Suquet Executive Producer
Erin Austen Mary & Constance Bechdel
Heather McIntyre Set Decoration
James Stanley Richard
Brainard Oyani Prospective Hall Boy
Laurie Ogden Patricia
Georgia Goldsack Executive Producer