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