The BBC have released new promotional pictures from the2012 Christmas special,- click on the images included here for bigger versions. The hour-long episode will air on BBC One at, Dec 25. It will air in the USA (on BBC America) and Canada (SPACE) on Dec 25 whilst Australia (ABC1) and New Zealand (PRIME) receive it just hours later on Dec 26.Featured in the pics are: The Doctor (played by MATT SMITH), Dr Simeon (RICHARD E GRANT), Captain Latimer (TOM WARD), Vastra (NEVE MCINTOSH), Strax (DAN STARKEY), Jenny (CATRIN STEWART), Francesca (ELLIE DARCEY-ALDEN), Digby (JOSEPH DARCEY-ALDEN), Alice (LIZ WHITE) and Walter (CAMERON STREFFORD).