Darren Criss and 9 More TV Stars Who Transformed Between Roles

Eric Todisco

Actors need to show their range—and sometimes, that means a total role reversal between TV projects.

We're talking stars like Darren Criss, who went from sweet Glee prep school crooner to diabolical serial killer in The Assassination of Gianni Versace: American Crime Story. And he's not alone!

From a hero to a villain, normal to crazy, and beloved to despised, we've rounded up 10 actors and actresses who have undergone drastic changes from one character to the next. Click through the gallery above to explore these (often jarring) changes.

Everything Old Is New Again: A Guide to the Growing List of TV Reboots and Revivals

Everything Old Is New Again: A Guide to the Growing List of TV Reboots and Revivals

From 'Muppet Babies' to 'Conan the Barbarian,' the revivals keep on coming.