A T-Rex roams free around the hall floor of the 'Doctor Who 50th Celebration' event in the ExCeL centre on November 22, 2013 in London, England. The sold-out three day event in the ExCeL London convention centre celebrates 50 years of the show which has seen 11 actors play the role of Doctor Who and receives a worldwide cult following. Tom Baker played the role of the 'Doctor' from 1975 to 1981.
{"Image ImageDescription": "LONDON, ENGLAND - NOVEMBER 23: A T-Rex roams free around the hall floor of the 'Doctor Who 50th Celebration' event in the ExCeL centre on November 22, 2013 in London, England. The sold-out three day event in the ExCeL London convention centre celebrates 50 years of the show which has seen 11 actors play the role of Doctor Who and receives a worldwide cult following. Tom Baker played the role of the 'Doctor' from 1975 to 1981. (Photo by Dan Dennison/Getty Images)", "Image Copyright": "2013 Getty Images"}