Milly Alcock in 'Supergirl.' Warner Bros./Courtesy Everett Collection Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Milly Alcock, who is leading the upcoming Supergirl film, is opening up about how she prepares herself for backlash. As someone who previously starred on HBO's House of the Dragon, she has some experience with an intense fandom.