Black Mirror is back with a brand new series on NetflixIn more recent years, waiting to see which A-listers have been cast in a new season of Black Mirror is as much a part of the experience as pondering which modern trends it will be satirising in its unique dystopian way.The seventh run of the award-winning anthology series is now streaming – boasting what is undoubtedly the most impressive host of star names to appear in a single season to date.So, it’s easy to forget that the show has also been a springboard for plenty of stars in in the early stages of their career.Here are just 14 stars you might have forgotten appeared in episodes of Black Mirror before their big breakthrough moments – that you might well have totally forgotten about...Daniel KaluuyaDaniel Kaluuya in Fifteen Million Merits