Perhaps his most famous role to date, Ramsay was a sadistic Northerner who tortured both Sansa and Theon before eventually (spoiler alert) being defeated in battle (led by Jon Snow) and fed to his own dogs (as Sansa watched). He has since appeared in Berlin, I Love You and is due to star in American Gods season two.
Ramsay couldn't have been more different from Simon!
Robert Sheehan - Nathan
Since playing motormouth Nathan, Robert has gone onto huge success. Leaving the show after two series, he starred in
The Mortal Instruments: City of Bones, Mortal Engines and most recently, in