According to an internet search, Idris Elba was an English actor, musician, voice actor and DJ. Tanya Adeola evidently admired him, as Ram Singh claimed that she would watch Downton Abbey if he was in it. (TV: For Tonight We Might Die) Ng (as Gwen Cooper) joked that she would think about Elba really hard in Orr's presence. (AUDIO: Orr)
Behind the scenes
His likeness was used in Sprout Boy meets a Galaxy of Stars [+]Marc Hatfield, BBC Christmas videos BBC Christmas video 2015 (BBC One, 2015)., which featured the Twelfth Doctor, to portray character John Luther, the character from the titular series Luther.