Watch VoirFilms. Until Reese Witherspoon’s Oscar-winning portrayal of her in the Johnny Cash biopic Walk the Line, most contemporary audiences were unfamiliar with June Carter Cash. Kristen Vaurio’s comprehensive documentary June offers a much fuller understanding of the multitalented artist, singer, songwriter, comedian, and actress. Delightful, never-before-seen archival material reveals June’s firecracker wit and charisma as a performer