Who might have played Scully in The X-Files instead of Gillian Anderson? Who might have taken Jennifer Aniston's role in Friends? And who turned down the part of Grey's Anatomy's McDreamy?

Using special state-of-the-art technology (ie, a bit of dodgy Photoshop), TVFIX takes a journey into a strange parallel world where TV's famous roles went to different actors. Discover which stars came thisclose to playing some of your favourite characters in our slideshow of TV's could-have-beens.