She achieved international recognition for her portrayal of Sibylla, Queen of Jerusalem in Ridley Scott 's historical epic Kingdom of Heaven Green has since starred in numerous independent films, including Cracks , Womb , and Perfect Sense Green starred as Morgan Pendragon in the Starz historical fantasy series Camelot Walter Green, a dental surgeon [5] and occasional actor [ citation needed ]. Her father is of Breton and Swedish descent; through him, she is the great-granddaughter of composer Paul Le Flem. Green is Jewish , [7] [8] [9] [10] as is her mother, who is of Sephardic Jewish Algerian-Jewish descent.