Co-Stars Who Couldn't Stand Each Other

These actors may have had incredible chemistry on the screen, but it turns out that when the cameras stopped rolling, they didn't want to speak to each other. Some were once friends or romantic partners who had a falling out, while the origin of other feuds is a bit more ambiguous. Unsurprisingly, a few of these stars are repeat offenders when it comes to on-set feuds. From the Old Hollywood stars who fueled their animosity into their roles to the "Game of Thrones" actors who had to avoid each other on set, let's take a look at some co-stars who couldn't stand each other.