Scarlett Johansson thinks ambition is 'healthy'

Scarlett Johansson

Meanwhile, 'The Other Boleyn Girl's novelist Philippa Gregory was impressed with the actress' full commitment to the historical accuracy of her character in the movie adaptation.

Gregory, who was employed as a historical consultant to help transform her book into the new Hollywood movie, was stunned at how determined the cast was to correctly portray the 16th century story, and singled out Johansson for special praise.