While Alan Dale has yet to appear in Doctor Who itself, he did feature in an episode of closesly-related spin-off show Torchwood which makes him elligible for this list. The New Zealand actor, most known for a long-running stint on Aussie soap opera Neighbours, starred as a villain in Torchwood Series Two episode Reset - in which he memorably shot regular Owen Harper. Zipping forward to last year's Captain America: The Winter Soldier, you may recall seeing him as Rockwell, the member of the World Security Council who is murdered by Alexander Pierce when the truth about SHIELD is revealed. Sorry about that Alan but, you know, Karma's a killer...