Directed by Roger Spottiswoode, The 6th Day (2000) stars Arnold Schwarzenegger as a helicopter pilot who discovers he has been illegally cloned in a near-future society where human cloning is banned. The film combines action set pieces with speculative themes about biotechnology and identity. Featuring Robert Duvall and Tony Goldwyn, the story explores corporate power and ethical boundaries surrounding advanced genetic engineering.

Från IMDB:
A man meets a clone of himself and stumbles into a grand conspiracy about clones taking over the world.