More than 150 film and theater artists have signed a letter of support for Israeli actors who refused to perform in the West Bank city of Ariel, a dovish US Jewish group said Monday.The names on the letter include Oscar-winning actress Vanessa Redgrave, Cynthia Nixon of "Sex and the City" and playwright Tony Kushner. It was organized by the Jewish Voice for Peace. RELATED: Editorial: Boycotts and legitimacy Knesset panel slams artists, academics over Ariel boycott A group of actors sparked a vocal debate in Israel last month when they said they would refuse to perform at a new theater in Ariel, in protest of Israel's "occupation" of the West Bank. The actors' boycott drew support from a group of 150 Israeli academics and dozens of authors, including well-known writers Amos Oz and David Grossman.