Cast (18)

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

Crew (13)

Saul Metzstein

Second Unit Director

Steven Moffat

Writer

Marcus Wilson

Producer

Steven Moffat

Executive Producer

Caroline Skinner

Executive Producer

Saul Metzstein

Director

Stephan Pehrsson

Director of Photography

Michael Pickwoad

Production Design

Barbara Southcott

Makeup Designer

Andy Pryor

Casting Director

Murray Gold

Original Music Composer

Howard Burden

Costume Designer

William Oswald

Editor