The younger Marshall sister began acting with the King's Company, under the management of Thomas Killigrew, around 1663; she remained with that troupe for her full career, except for a final year with the rival Duke's Company in 1677. She acted with her sister Anne at least once, in John Dryden's The Maiden Queen in 1664; Anne played Candiope, and Rebecca played the Queen. When her older sister retired from the stage (temporarily) in 1668, Rebecca inherited several of her roles, as Aurelia in Dryden's An Evening's Love and Nourmahal in Aureng-zebe; she may also have inherited the part of Evadne in Beaumont and Fletcher's The Maid's Tragedy. Rebecca Marshall's other roles were: