Possible Clues:

• 'Grand Hotel' star Greta
• Classic leading lady honored on both U.S. and Swedish postage
• Greta of 'Ninotchka'
• Swedish-born American film star, who wanted 'to be left alone', d. 1990
• Her first speaking role was in MGM's 'Anna Christie'
• Greta Thunberg's latest piece on carbon unconfined
• Noted Swede of the silver screen
• Reclusive star in dress circle
• Swedish-American film actress, whose last film appeared in 1942, d. aged 84 in 1990
• Actress mainly crows over Oscar