Evil doppelgängers can emerge from anywhere—they pop out of parallel dimensions, are crafted by alien technology, or burst into the present as time-traveling robots. Even worse, sometimes they just exist for no reason, other than to duplicate (and inevitably torment) a story’s main character.
With Apple TV+’s new sci-fi series Dark Matter currently pitting different versions of Joel Edgerton against each other, here are 10 movies (well, technically one is a TV series) to check out for similar themes.
