Roy Batty's soliloquy was ad-libbed by Rutger Hauer.
Blade Runner won the Hugo Award for Best Dramatic Presentation in 1983 (over E.T. The Extra-Terrestrial.) In a poll of members of the 1992 World Science Fiction Convention, Blade Runner was named as the third most favorite SF film of all time (behind Star Wars and 2001: A Space Odyssey).
Sean Young in The Washington Post, August 14, 1982:
It was really a rough day. Harrison tends to play love scenes either angry or funny. It isn't just acting, you know. Somebody really is throwing you against a wall while you're supposed to be telling them you love them. I was a wreck. I had three or four weeks off after that scene.
The scene I liked the best was where Harrison tells me I'm a 'replicant' a robot with emotions and I cry right on cue. Yes, they're real tears.
The Boston Globe, July 14, 1991: