Greta —, Best Actress in a Leading Role Oscar nominee for Camille, Romance, Anna Christie and Ninotchka (5)

I believe the answer is:

garbo

(Other definitions for garbo that I've seen before include "Swedish actress who wanted to be alone" , "film-star" , "She sought solitude" , "Swedish-born actress" , "Swedish actress born Greta Gustafsson" .)

I've seen this clue in The Mirror.

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