Doctor Who of the series and a film should be made by the BBC team and star the current TV Doctor. "Doctor Who" has appeared on stage numerous times. In the early 1970s, Trevor Martin played the role in "Doctor Who and the Daleks in the Seven Keys to Doomsday". In the late 1980s, Jon Pertwee and Colin Baker both played the Doctor at different times during the run of a play titled "Doctor Who – The Ultimate Adventure". For two performances, while Pertwee was ill, David Banks (better known for playing Cybermen) played the Doctor. Other original plays have been staged
The Lodger (Doctor Who) of the upstairs apartment. When Roberts began writing for the episode, he knew the series' overarching plot but was not aware who was to be cast as the Eleventh Doctor. Roberts based the Doctor's lines on those written in Moffat's completed scripts and further characterization was added by Matt Smith's reading of the lines. The episode also contains several cultural references. When the Doctor is having a shower, he is heard singing ""La donna è mobile"", which his third incarnation sang in "Inferno". When the Doctor introduces himself to the time ship's Avatar, he claims to be "Captain Troy Handsome