Sienna Tiggy Guillory is an English actress and former model. She portrayed Jill Valentine in the Resident Evil action-horror film franchise. Her other prominent roles include elf princess Arya Dröttningu in the fantasy-adventure film Eragon, and the title role in the TV miniseries Helen of Troy.
She is the daughter of American folk guitarist Isaac Guillory and Tina Thompson, an English model.
When he holds up the magical Sword of Power and utters the words "By the power of Grayskull," Prince Adam is transformed into Eternia's greatest champion, He-Man, who uses his powers to defend the realm from Skeletor and his evil forces.
