Princess Cora Mills, also known as the Queen of Hearts, is a character on ABC's Once Upon a Time and Once Upon a Time in Wonderland. She débuts in the seventeenth episode of the first season of Once Upon a Time and is portrayed by guest stars Barbara Hershey and Rose McGowan, and by co-star Jennifer Koenig.
Cora is based on the miller's daughter from the fairytale, "Rumpelstiltskin", the Queen of Hearts from the novel Alice's Adventures in Wonderland, the Queen of Hearts from the animated Disney film Alice in Wonderland, and the Red Queen from the live-action Disney film Alice in Wonderland.