크레딧 출연 맷 스미스 The Doctor 제나 콜먼 Clara Oswin Oswald 리처드 E. 그랜트 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 이안 맥켈런 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 스텝 Steven Moffat Production Saul Metzstein Directing Steven Moffat Writing Marcus Wilson Production Caroline Skinner Production Saul Metzstein Directing Stephan Pehrsson Camera Michael Pickwoad Art Barbara Southcott Costume & Make-Up Andy Pryor Production Murray Gold Sound Howard Burden Costume & Make-Up William Oswald Editing