sentences:  Despite her early film success and offers from Hollywood, she returned to the stage full-time after 1945 and only occasionally accepted film roles.With her return to film in the 1950s, she portrayed an abused colonial wife in Carol Reed's "Outcast of the Islands" (1952), but had already transitioned into mature, supporting roles with "Sailor of the King" (1953) and a memorable victim of the Mau Mau uprising in "Something of Value" (1957).She won the Oscar for Best Supporting Actress in 1959 for the film "Separate Tables" (1958), as a lonely hotel manager and mistress of Burt Lancaster.