Lukas Haas as Nash, an architect in Cobb's work who betrays the crew and is later changed by Ariadne. He pronounced her assessment "finished," and with his authorization she held informal "hours" with numerous people today in the thirties. In sifting via her recollections, dreams, and psychic encounters with Freud, who behaved a lot more like a kindly old hermit than a extreme classical analyst, H.D.