"If she be false, heaven mocks itself” speaker (7)

I believe the answer is:

othello

(Other definitions for othello that I've seen before include "Hello to Shakespeare's Moor" , "product of 12 [SHAKESPEARE] , inspiring 6 [VERDI]" , "Literary character" , "Old Black Ram!" , "Shakespearean play" .)

I've seen this clue in The Wall Street Journal.

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