 Prior to production, Val Kilmer (qv) lived and breathed Morrison  for nearly a year, dressing in his clothes and hanging around at his  old haunts on Sunset Strip. Jim Morrison (I) (qv) biographer Jerry  Hopkins says that he saw him one day when meeting  Oliver Stone (I) (qv) for lunch, using a payphone in the  restaurant, and was so convinced by the believable image he cut that  the first thought that entered his head was, "Id forgotten how tall  Jim was."