Themes in Blade Runner had a little reservation about that. I think he really wanted to have it both ways." Scott suggests that Ford may have since changed his view, although "Blade Runner 2049" director Denis Villeneuve claimed that Ford and Scott argue about the issue to this day. Other people involved in the movie's production who have expressed the view that Deckard is human include: David Snyder (art director), M. Emmet Walsh (who portrayed Bryant) and Rutger Hauer (who portrayed Roy Batty). Ridley Scott stated in several interviews that he considers Deckard to be a replicant. Syd Mead, the film's visual futurist, agrees
Blade Runner that he could work on René Laloux's animated film "Les Maîtres du temps" – a decision that he later regretted. Production designer Lawrence G. Paull and art director David Snyder realized Scott's and Mead's sketches. Douglas Trumbull and Richard Yuricich supervised the special effects for the film, and Mark Stetson served as chief model maker. "Blade Runner" has numerous deep similarities to Fritz Lang's "Metropolis", including a built-up urban environment, in which the wealthy literally live above the workers, dominated by a huge building – the Stadtkrone Tower in "Metropolis" and the Tyrell Building in "Blade Runner". Special effects supervisor