"IVY, south side's princess. Ian's twin sister, but to me they don't look anything alike Looks just like her mother. Even has her same drug problem. And she even has ADHD and bipolar disorder just like her mother, which sometimes scares me." "AUSTIN, from the north side. Ivy's boyfriend, don't have any clue how they met or how they're still together. Is at my house almost every single night. I thought he was one of mine at one point." Ivy Francesca Gallagher played by Sydney Sweeney Austin Dane O'Connell played by Hero Fiennes-Tiffin