Annie Hall, Cast Name Error

@RedTomato IMDb uses the end-credits as the ultimate source; Jones is credited in the on-screen cast list and on IMDb as "Dorrie" and Weaver is credited in the on-screen credits and on IMDb as "Alvy's Date Outside Theatre" What is your source for both IMDb and the end-credits being incorrect?

@RedTomato: In addition to what Col wrote above, here is a clip of Sigourney Weaver talking to the American Film Institute about her role in "Annie Hall": https://www.youtube.com/watch?v=UAVcprNObpU With regard to the idea that "you have her listed on her own page as being in Annie Hall but not on the Annie Hall Cast Page", please make sure you are looking at the full credits list at https://www.imdb.com/title/tt0075686/fullcredits/ and not just the main page for the film at https://www.imdb.com/title/tt0075686/ where only 18 people from the cast are listed. Both Christine Jones and Sigourney Weaver are listed on the full credits list but not the main page for the film, since neither of them is among the first 18 people listed in the cast list on screen.