Additional artists including Martin Sheen, Frances Fisher, Chandra Wilson, Peter Coyote, Patricia Arquette, Karen Black, Margot Kidder, Elizabeth Peña, and Mimi Kennedy contributed their voices to the film.
Experiencing the slaughter of American Indians in Montana and at Wounded Knee, Rankin was a lifelong pacifist, suffragist and human rights advocate.
The film chronicles her activism including her association with the Women's International League for Peace and Freedom, as well as her co-founding the American Civil Liberties Union.
The film has been generally panned, though it has won a few political awards for director Lopez.
Simpson has many times denounced the film as "horrible" and said that it is the biggest disappointment of her life.