LOS ANGELES (Reuters) Actress Rachel Weisz, who won a best supporting actress Oscar in 2006 for her role as Tessa Quayle in “The Constant Gardener,” takes on her most action-packed part to date when she stars opposite Jeremy Renner in “The Bourne Legacy,” opening on Friday Weisz plays scientist Dr. Marta Shearing, who goes on the run with Renner’s character. But the British actress is better known for her dramatic roles.