Basically, it's David Tennant as an evil wizard. What's not to love?! The Tenth Doctor actor starred in Goblet of Fire, the fourth installment of the popular Harry Potter franchise, as Barty Crouch Jr. who spends the majority of the film wreaking havoc throughout the halls of Hogwarts with his shameless shape-shifting shenanigans. And no, he isn't a Zygon in disguise. It was actually the dark workings of Polyjuice Potion and David excels in his villainous venture as a character who gets tongues wagging - and in more ways than one - when he embarks on a malevolent mission to restore the demonic Dark Lord (that's Lord Voldemort, by the way) to his former glory... with Harry Potter caught in the middle. As per.
Dan Butler is the Doctor Who Editor at WhatCulture.com. When he isn't writing his own articles or editing other people's, he can be found trawling the internet for gifs of Steven Moffat laughing. Contact him via dan.butler@whatculture.co.uk.