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