Greg James
From Tardis Wiki, the free Doctor Who reference
Greg James is a British radio DJ on BBC Radio 1. He was an extra in a scene in Sanderson & Grainger, where he could be seen behind Craig Owens. Greg James named his character "Carlos".
He co-presents Britain Unzipped on BBC Three with Russell Kane. In the first episode, originally aired on 24 April 2012, celebrity guest Holly Willoughby picked out an image of who she thought was "Doctor Who". It was then pointed out that the image was actually of Greg, Holly said that he strongly resembled David Tennant, to which the majority of the audience agreed, with Greg taking it as a compliment.