Suzanne DeLee Flanders Larson (known professionally as Susanna Foster) (6 December 1924 – 17 January 2009) was an American film actress best known for her leading role as Christine in the 1943 film version of The Phantom of the Opera. Description above from the Wikipedia article Susanna Foster, licensed under CC-BY-SA, full list of contributors on Wikipedia.

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Susanna Foster was an American actress and singer of the classic Hollywood era who starred in studio productions during the 1930s and 1940s.
She is best known for her leading role as the operatic soprano Christine Dubois in the 1943 horror classic Phantom of the Opera alongside later musical and comedy features.