Fan Casting Roy Batty in Blade Runner

Roy Batty, model number N6MAA10816, a Nexus-6 combat model replicant, was the leader of a renegade replicant group that hijacked a shuttle and travelled to Earth to demand a longer lifespan. He then killed his creator, Dr. Eldon Tyrell, and J.F. Sebastian before finding out that his lover, Pris, was "retired" by Deckard and played an antagonistic game, where he was the predator and Deckard was the prey. He save him from certain death so that Roy can speaks his final words to Deckard before dying.