Nimoy continued: “They found their own way to bring that talent and intelligence to this movie, and I think it shows.
“If Chris Pine could do anything other than go direct to Starfleet after Bruce Greenwood told him what his life should be about, I would be shocked. I just had to do what Bruce Greenwood told me to.
“When Karl Urban introduced himself as Leonard McCoy and shook hands with Chris Pine, I burst into tears. That performance of his is so moving, so touching and so powerful as Doctor McCoy, that I think D. Kelley would be smiling, and maybe in tears as well.”
Original McCoy star DeForest Kelley had died 10 years previously, so sadly never got to see the movie.
source: express.co.uk