The iconic actor known for advocating for civil rights during the 1960s is Sidney Poitier. Poitier broke barriers as one of the first Black actors to achieve major stardom in Hollywood, using his platform to promote racial equality and social justice. He starred in films like "Lilies of the Field," for which he won an **Academy Award**, and was a role model for many aspiring actors of color. Poitier's activism extended beyond film; he participated in civil rights marches and spoke out against racism in the entertainment industry. His contributions significantly impacted the representation of Black actors in cinema.