Photos: Sacheen Littlefeather through the years 1973: Native American activist Sacheen Littlefeather declines the Oscar on Marlon Brando's behalf at the 45th Academy Awards in 1973. (Bettmann Archive via Getty Images)
Photos: Sacheen Littlefeather through the years 1973: At the 1973 Academy Awards, Sacheen Littlefeather refuses the Academy Award for Best Actor on behalf of Marlon Brando, who won for his role in "The Godfather." (Bettmann/Bettmann Archive)
Photos: Sacheen Littlefeather through the years 1990: Actress and Native American activist Sacheen Littlefeather marches in a street parade in San Francisco in 1990. (Kim Komenich/Getty Images)
Photos: Sacheen Littlefeather through the years 1990: Actress and Native American activist Sacheen Littlefeather poses on a rooftop in the San Francisco Bay Area in 1990. (Kim Komenich/Getty Images)
Photos: Sacheen Littlefeather through the years 2010: Actress Sacheen Littlefeather of television show "Reel Injun" speaks during the PBS portion of the 2010 Summer TCA Press Tour at the Beverly Hilton Hotel on August 5, 2010, in Beverly Hills, California. (Frederick M. Brown/Getty Images)
Photos: Sacheen Littlefeather through the years 2010: Activist Sacheen Littlefeather attends the SAG President's National Task Force For American Indians & NBC Universal Premiere Screening of "Reel Indian" & "American Indian Actors" at LA Skins Fest on November 20, 2010, in Los Angeles. (Valerie Macon/Getty Images)
Photos: Sacheen Littlefeather through the years 2019: Chief Phillip Whiteman Jr., Rebecca Brando, Scott Cooper, Sacheen Littlefeather and Christian Bale attend the Red Nation Film Festival and Awards Ceremony at Laemmle's Ahrya Fine Arts Theatre on November 15, 2019, in Beverly Hills, California. (Alberto E. Rodriguez/Getty Images)
Photos: Sacheen Littlefeather through the years 2022: Sacheen Littlefeather on stage at AMPAS Presents an Evening with Sacheen Littlefeather at Academy Museum of Motion Pictures on September 17, 2022, in Los Angeles. (Frazer Harrison/Getty Images)
