Cathy Yan is set to direct Margot Robbie in Harley Quinn film Cathy Yan (Dead Pigs) is set to direct the upcoming Harley Quinn film starring Margot Robbie (I, Tonya), according to Deadline . According to the site, Yan was Robbie’s pick for the directing spot. Her film Dead Pigs won the World Cinema Dramatic Award For Ensemble Acting at...