Ian McKellen Jimmy Erskine
Gemma Arterton Nina Land
Mark Strong David Brooke
Lesley Manville Annabel Land
Romola Garai Cora Wyley
Ben Barnes Stephen Wyley
Ron Cook Hugh Morris
Jay Simpson Slyfield
Eleanor Wyld Isabella / Viola
Alfred Enoch Tom Tunner
Claire Skinner Mary Brooke
Mark Gordon Executive Producer
Anand Tucker Director, Executive Producer
Robert Sterne Casting
Beau Gadsdon Freya
Nicholas Bishop Richard Pugh
Craig Armstrong Original Music Composer
Pearce Quigley Mr. Morrisey
Matthew Cottle Graham Meadows
Rosalind Grégoire Art Direction
Eléonore Cremonese Art Direction
Debra Gillett Mrs. Keefe
Jake Neads Flamineo
Nigel Heath Sound Re-Recording Mixer
Rebecca Gethings Joan
Ty Hurley Private Members Club / Bar Patron (uncredited)
Nikesh Patel Ferdy Harwood
Jacob James Beswick Robbie
Judah Getz ADR Mixer
Patrick Marber Writer, Executive Producer
Laura Schiavo Makeup Designer
Éva Magyar Dolly Langdon
Grant Crookes Critic (uncredited)
Avye Leventis Lizzie
Samuel James Wigmaker
Tom Padley Police Officer
Albie Marber Lennie
David Gilbery Producer, Executive Producer
Jasper Britton Gideon Lambert
Lucienne Suren Production Design
Jolyon Symonds Producer
Simon Gershon Sound Designer
Joe Coen Brachiano
David Higgs Director of Photography
James McNicholas Hospital PC (uncredited)
Bill Kenwright Producer
Claire Finlay-Thompson Costume Design
Ross Armstrong Oswald Mosley (uncredited)
Amanda George Set Decoration
Oliver Shaw Rowan
Beth Pattinson Executive Producer
Ruth Sullivan Foley Artist
Shaula Walker Sound Effects Editor
Luke Scrase Executive Producer
Holly Jenkins Prosthetic Makeup Artist
Aline Leonello Art Direction
Nick Moss Blackshirt
Colin Gregory Sound Mixer
Shanika Ocean Zanche
Naomi George Executive Producer
Griffin Stevens Lodovico
Paul Warwick Distinguished Gentleman (uncredited)
Cara Ballingall Daphne (uncredited)
Libbi Fox Diana Guinness (uncredited)
Tom Butterfield Executive Producer
Aisling Longshaw Cornelia
Ed Madden Ivan Franklin
Heather Andrews Foley Editor
Tom Rouvray Giovanni
Harry White Executive Producer
Louis Pieris Doctor Julio
Magnus Gordon Gasparo