Alexander Draper "Alex" Wolff (born November 1, 1997) is an American child actor and musician best known for his role as himself on the Nickelodeon series The Naked Brothers Band, also starring his older brother, Nat Wolff; the series was created by the boys' mother, Polly Draper. He also guest starred on Monk in the episode Mr. Monk Goes Camping.
He is the son of actress and screenwriter Polly Draper and jazz pianist and composer Michael Wolff and is the younger brother of singer-songwriter, keyboardist, and actor Nat Wolff. His family is culturally Jewish. Alex got his middle name from his mother's maiden name of Draper.