Credits
Cast
Matt Smith
The Doctor
Jenna Coleman
Clara Oswin Oswald
Richard E. Grant
Dr. Walter Simeon
Dan Starkey
Strax
Catrin Stewart
Jenny Flint
Neve McIntosh
Madame Vastra
Tom Ward
Captain Latimer
Liz White
Alice
Joseph Darcey-Alden
Digby Latimer
Ellie Darcey-Alden
Francesca Latimer
Ian McKellen
The Great Intelligence (voice)
Juliet Cadzow
Ice Governess (voice)
Jim Conway
Uncle Josh
Cameron Strefford
Young Walter
Annabelle Dowler
Walter's Mother
Ben Addis
Bob Chilcott
Daniel Hyde
Lead Worker
Sophie Miller-Sheen
Girl
Art
Michael Pickwoad
Production Design
Camera
Stephan Pehrsson
Director of Photography
Costume & Make-Up
Howard Burden
Costume Designer
Barbara Southcott
Makeup Designer
Directing
Saul Metzstein
Second Unit Director, Director
Editing
William Oswald
Editor
Production
Andy Pryor
Casting Director
Caroline Skinner
Executive Producer
Marcus Wilson
Producer
Sound
Murray Gold
Original Music Composer
Writing
Steven Moffat
Writer, Executive Producer