Joan Cusack as Rosalie "Roz" Mullins, the overworked principal of the Horace Green prep school who secretly loves rock music.
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Principal Rosalie Mullins is the principal of William B. Travis Prep School. She was a recurring character in Season 1, but was promoted to a main character ...
Mar 1, 2023 · Joan Cusack (Principal Rosalie "Roz" Mullins) ... Joan Cusack brought her star power to School of Rock as the school's principal, Rosalie Mullins.
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After being kicked out of his rock band, Dewey Finn becomes a substitute teacher of an uptight elementary private school, only to try and turn his class ...
Sep 25, 2023 · Joan Cusack has worked steadily as an actress since playing Principal Mullins. ... Before filming "School of Rock," Joan Cusack was well known for ...