Enemy (2013)

Adam is a professor of history in Toronto whose life is bland and going nowhere despite his respectable job and status at his university. His life is about to take a bizarre twist, however. He watches a rental movie and is shocked that one of the actors appears to be his exact duplicate! Adam becomes obsessed with finding the actor. When the two finally meet, both are stunned because they are perfect copies of each other down to birthmarks and scars. Adam and the actor become obsessed with each other as they head down a rabbit hole of ever-increasing weirdness.

Enemy is a mystery movie featuring Jake Gyllenhaal.

Enemy is currently streaming for free (ad-supported) on Kanopy and it's also available on Cinemax Amazon Channel and DIRECTV.

It is also possible to buy Enemy on Amazon Video, Apple TV, DIRECTV, FlixFling, Google Play Movies, Microsoft Store, Vudu and YouTube or rent it on Spectrum On Demand.