Top Iranian actress Taraneh Alidoosti has posted a picture of herself on Instagram without a headscarf to express support for nationwide anti-government demonstrations, another sign that the protest movement is gaining support from all layers of society. Best-known for her role in “The Salesman”, which won an Academy Award in 2017, the pro-reform artist held up a sign in the Instagram post which read “Woman, Life, Freedom” in Kurdish, a popular slogan in the demonstrations. Protests sparked by the Sept. 16 death of Kurdish woman Mahsa Amini after her arrest by the morality police for not weari…