“Jon Pertwee”
An actor who – at the time he was cast in Doctor Who – was chiefly known for his comic characterisations with wide popular appeal. A masterstroke of casting which reinvigorated the show.

“Catherine Tate”
An actress who – at the time she was cast in Doctor Who – was chiefly known for her comic characterisations with wide popular appeal. A mistake of quite apocalyptic proportions that will, I predict, kill off the show for good.

And the rest