Yara Greyjoy (Gemma Whelan)
Who: The would-be first female queen of the Ironborn, fled the Iron Islands with a fleet, fierce warriors, and her emotionally and physically damaged younger brother Theon. Her goal: To offer her forces to Daenerys Targaryen in exchange for her support against uncle Euron, who wants them dead.
Last seen: Sailing west from Essos with Daenerys.