Shades of Colin Baker...http://www.realitytvworld.com/news/peter-capaldi-named-as-next-doctor-who-star-1035824.php
This isn't the actor's first turn at a role in "Doctor Who." He played Roman merchant Caecilius in 2008 in "The Fires of Pompeii" episode when David Tennant played the 10th Doctor.
Capaldi also had a role in the five-episode third series of "Doctor Who" spinoff "Torchwood."..
The Doctor has been played by actors William Hartnell, 1963-66; Patrick Troughton, 1966-69; Jon Pertwee, 1970-74; Tom Baker, 1974-81; Peter Davison, 1982-84; Colin Baker, 1984-86; Sylvester McCoy, 1987-96; Paul McGann, 1996; Christopher Eccleston, 2005; David Tennant, 2005-10; and Matt Smith, 2010-13.
Peter Cushing, 1965 and 1966; Richard Hurndall, 1983; etc.