- The Danza: Both main characters use their real names during the film.
- Romance on the Set: Mark Frechette and Daria Halprin hooked up during Production and was a couple for a time after. The two became a Counter culture symbol for a time, but Real Life Mark was just as troubled as his Movie Version, and the affair ended.
- What Could Have Been: Richard Wright composed a piano piece for the film titled "The Violent Sequence", only for Michelangelo Antonioni to reject it due to it being too dissimilar from material like "Careful With That Axe, Eugene", the kind of music he was looking to include in the film. Wright would later recycle the piece for Pink Floyd's The Dark Side of the Moon, with added lyrics by Roger Waters, under the title "Us and Them".
Trivia / Zabriskie Point