Thomasin McKenzie
Rose Davenport
Acting
Ben Radcliffe
Eric Noone
Acting
Emma Laird
Poppy Davenport
Acting
Damian Lewis
Lord Davenport
Acting
Katherine Waterston
Lady Davenport
Acting
Lizzie Hopley
Phyllis Davenport
Acting
Tom Felton
Archibald
Acting
Tom Goodman-Hill
Inspector Watt
Acting
Sue Johnston
Great Aunt Bonaparte
Acting
Lee Boardman
Karl
Acting
Anna Maxwell Martin
Mrs. McAllister
Acting
Jimmy Carr
Vicar
Acting
John Thomson
Bill
Acting
Tim McMullan
Cyril
Acting
Ramon Tikaram
Darvesh Khalid
Acting
Charlie Rawes
Big Alan
Acting
Hayley Mills
Older Rose Davenport (voice)
Acting
Adam Woodward
Bert Chester
Acting
Lily Knight
Fifi Valentine
Acting
Alex Butler
Lionel Gritt
Acting
Erin Austen
Mary Bechdel / Constance Bechdel
Acting
Jason Done
J.R.R. Tolkien
Acting
Laurie Ogden
Patricia
Acting
Paula Wharton
Mrs. Kitchen
Acting
Nathan McMullen
Alexander
Acting
Karen Henthorn
Sister Jude
Acting
Ian Bartholomew
Austin Blaine
Acting
Dean Fagan
Prison Guard
Acting
Gemma Wardle
Gladys
Acting
Brainard Oyani
Prospective Hall Boy
Acting
Magdalena Sverlander
Rose Seller
Acting
Nathan Hall
(uncredited)
Acting