In the Theatrical cut the answer is left ambiguous. In the Director’s and Final cuts the answer is definitely yes. In the Theatrical cut most widely seen in the US there are still hints that Deckard might be a replicant which include:
- The fact that there is no mention of, or questions asked about, Deckard’s life during the period between his (alleged) previous stint as a police officer and the events of the film. The only exception being the mention of a failed marriage early in the film.