Doctor Who: 28 Great Behind The Scenes Shots You Need To See
6. In The Shade
Here's David Tennant and Catherine Tate looking cool and collected in their shades during filming on the 2006 Christmas Special, The Runaway Bride, in London.
Catherine later reprised her role as Donna Noble for Series 4 and is widely cited as one of the most popular companions in Doctor Who history. Not too shabby for a temp from Chiswick!