by Leyla MohammedBuzzFeedBuzzFeed Staff Twinless spoilers ahead. If you've seen James Sweeney's film Twinless, you'll know that Dylan O'Brien did an incredible job of playing identical twins Roman, who is straight, and Rocky, who is gay. Lionsgate / Via youtube.com As you might be aware, there's been an increasing discussion in recent years about whether straight actors should take on LGBTQ+ roles, given that there are fewer opportunities for LGBTQ+ performers to do so Mike Marsland / Getty Images What's more, straight actors have long been awarded in Hollywood for playing queer characters, wh...