Which actress played Harley Quinn in 'Suicide Squad' and 'Birds of Prey'?

Margot Robbie played Harley Quinn in 'Suicide Squad' (2016), 'Birds of Prey' (2020) and 'Suicide Squad' (2021). His performance was so well received that, despite mixed reviews of 'Suicide Squad,' Warner Bros. developed 'Birds of Prey' as a vehicle for his character. Robbie was also a producer on the latter, demonstrating his growing influence in Hollywood.