
Margot Robbie's instincts were on point as a producer on the box office-busting Barbie movie as she inadvertently helped create the Barbenheimer phenomenon after refusing to move Barbie's July 21 release date on the 2023 movie schedule, which was the same day Christopher Nolan's biopic Oppenheimer would hit theaters. Along with producing, she also brilliantly led the Barbie cast. However, she revealed that when it came to finding her character, she had more trouble listening to her acting instincts than she anticipated.
During a recent sit-down with Oppenheimer lead Cillian Murphy for Variety’s Actors on Actors, the actress expressed her difficulties with finding Barbie as a character. Unlike Murphy, who was able to pull from archival footage, historical testimonies and the biography American Prometheus to prepare for his performance as J. Robert Oppenheimer, Margot didn't have the benefit of real-life context to portray the made-up Mattel doll. Opening up about the struggle to find her character, she said: