Eric Dawson, the casting director for 2012's American Horror Story: Asylum, has recently revealed that Barbie sensation Margot Robbie herself once auditioned for a role in the hit series, and some devoted fans believe that they have worked out which part the actress could have gotten.
Source：https://www.cbr.com/american-horror-story-fans-narrow-down-which-role-margot-robbie-auditioned-for/
