margot elise robbie ( ; born 2 july 1990) is an australian film and television actress, and film producer. she first gained recognition for her role as donna freedman in the australian soap opera "neighbours" (2008–2011, 2022). she played charlotte in the comedy-drama film "about time" (2013). robbie gained further success for her portrayal of harley quinn in the dc extended universe film "suicide squad" (2016), later reprising the role in "birds of prey" (2020) and "the suicide squad" (2021). in 2019, she starred as sharon tate in the quentin tarantino film "once upon a time in hollywood", which earned her a nomination for the bafta award for best actress in a supporting role.