Guest Stars Matt Smith as The Eleventh Doctor Dan Starkey as Commander Strax Michelle Gomez as Missy Neve McIntosh as Madame Vastra Catrin Stewart as Jenny Flint Ellis George as Courtney Woods Paul Hickey as Inspector Gregson Maggie Service as Elsie Mark Kempner as Cabbie Peter Hannah as Policeman Peter Ferdinando as Half-Face Man Tony Way as Alf Paul Kasey as Footman Brian Miller as Barney Graham Duff as Waiter
