Marlene ... old film star (8)

I believe the answer is:

dietrich

(Other definitions for dietrich that I've seen before include "Old German film star had a cider hit" , "Marlene . . . . . . . . was a famous film star" , "Marlene ... old film star" , "Marlene . . . . . . . ., late German star of stage and screen" , "FILMSTAR" .)

I've seen this clue in The Irish Times.

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