Julian Simpson Director Jeremy Webb Director Nick Hurran Director Richard Clark Director Steve Hughes Director Toby Haynes Director Richard Senior Director Peter Hoar Director Matt Smith The Doctor Actor Karen Gillan Amy Pond Actor Arthur Darvill Rory Williams Actor Alex Kingston River Song Actor Mark Bonnar Jimmy Guest Star Mark A. Sheppard Canton Everett Delaware III Actor Marshall Lancaster Buzzer Guest Star William Morgan Sheppard Canton Delaware Actor Caitlin Blackwood Amelia Pond Guest Star Sarah Smart Jennifer Guest Star Stuart Milligan Richard Nixon Guest Star Raquel Cassidy Cleaves Guest Star Paul Kasey Nephew Guest Star Richard Dillane Carter Guest Star Leon Vickers Dicken Guest Star Chukwudi Iwuji Carl Guest Star Sydney Wade Little Girl Guest Star Marnix Van Den Broeke The Silent Guest Star Nicholas Briggs Cybermen Guest Voice Frances Barber Madame Kovarian Guest Star Steven Moffat Writer, Executive Producer Toby Whithouse Writer Mark Gatiss Writer Matthew Graham Writer Steve Thompson Writer Tom MacRae Writer Neil Gaiman Writer Gareth Roberts Writer