Question: What  American actress and philanthropist starred in  Silkwood with Cher and Kurt Russell?

full_context: Document 1: Katharine Hepburn: Katharine Houghton Hepburn (May 12, 1907 – June 29, 2003) was an American actress. Known for her fierce independence and spirited personality, Hepburn was a leading lady in Hollywood for more than 60 years. She appeared in a range of genres, from screwball comedy to literary drama, and she received four Academy Awards—a record for any performer—for Best Actress. In 1999, Hepburn was named by the American Film Institute as the greatest female star of Classic Hollywood Cinema.
Document 2: Kate Winslet: Kate Elizabeth Winslet, CBE (born 5 October 1975), is an English actress. She is the recipient of an Academy Award, three BAFTA Awards, a BIFA Award, four Golden Globe Awards, a Grammy Award, a Primetime Emmy Award, an AACTA Award, and three Screen Actors Guild Awards. Winslet is the youngest person to receive six Academy Award nominations, with seven nominations in total, and is one of the few actresses to win three of the four major American entertainment awards (EGOT). In addition, she has won awards from the Australian Academy of Cinema and Television Arts and European Film Academy, among others, and the Honorary César Award in 2012.
Document 3: The China Syndrome: The China Syndrome is a 1979 American thriller film directed by James Bridges and written by Bridges, Mike Gray, and T. S. Cook. It tells the story of a television reporter and her cameraman who discover safety coverups at a nuclear power plant. It stars Jane Fonda, Jack Lemmon, and Michael Douglas, with Douglas also serving as the film's producer. The cast also features Scott Brady, James Hampton, Peter Donat, Richard Herd, and Wilford Brimley.
Document 4: Silkwood: Silkwood is a 1983 American biographical drama film directed by Mike Nichols starring Meryl Streep, Cher and Kurt Russell. The screenplay by Nora Ephron and Alice Arlen was inspired by the life of Karen Silkwood. Silkwood was a nuclear whistleblower and a labor union activist who died in a suspicious car accident while investigating alleged wrongdoing at the Kerr-McGee plutonium plant where she worked. In real life, her death was vindicated in a victorious 1979 lawsuit, "Silkwood v. Kerr-McGee", led by attorney Gerry Spence. The jury rendered its verdict of $10 million in damages to be paid to the Silkwood estate (her children), the largest amount in damages ever awarded for that kind of case at the time. The Silkwood estate eventually settled for $1.3 million.
Document 5: Barbra Streisand: Barbara Joan "Barbra" Streisand ( ; born April 24, 1942) is an American singer, songwriter, actress, and filmmaker. In a career spanning six decades, she has achieved success in multiple fields of entertainment and has been recognized with two Academy Awards, ten Grammy Awards including the Grammy Lifetime Achievement Award and the Grammy Legend Award, five Emmy Awards including one Daytime Emmy, a Special Tony Award, an American Film Institute award, a Kennedy Center Honors prize, four Peabody Awards, the Presidential Medal of Freedom, and nine Golden Globes. She is among a small group of entertainers who have been honored with an Emmy, Grammy, Oscar, and Tony Award, and is one of only two artists in that group who have also won a Peabody.
Document 6: Norma Rae: Norma Rae is a 1979 American drama film about a factory worker from a small town in North Carolina who becomes involved in the labor union activities at the textile factory where she works after the health of her and her co-workers is compromised. The film stars Sally Field in the title role, Beau Bridges as Norma Rae's husband, Sonny, and Ron Leibman as union organizer Reuben Warshowsky.
Document 7: List of awards and nominations received by Cher: Cher is an American singer, actress, producer, author and philanthropist. She has been honored with numerous worldwide awards and accolades recognizing her success in music, television, fashion and film, both as a solo artist and as part of Sonny & Cher. She has also been honored for her humanitarian and charity work. She has won an Academy Award, a Grammy Award, an Emmy Award, three Golden Globe Awards, and the Best Actress Award at the Cannes Film Festival, making her one of few artists to have received those top honors. Cher is also the only artist to date to have achieved a number-one single on a Billboard chart in each of the past six decades. Cher is a Tony Award away from achieving the EGOT status (Emmy, Grammy, Oscar, and Tony) which is considered the "grand slam" of American show business.
Document 8: Glenn Close: Glenn Close (born March 19, 1947) is an American actress, singer and film producer. With an acting career spanning over 40 years, she has been consistently acclaimed for her versatility and is widely regarded as one of the finest actresses of her generation.
Document 9: Meryl Streep: Mary Louise "Meryl" Streep (born June 22, 1949) is an American actress and philanthropist. Cited in the media as the "best actress of her generation," Streep is particularly known for versatility in her roles and her accent adaptation. Nominated for 20 Academy Awards, Streep has more nominations than any other actor, and is one of the six actors to have won three or more competitive Oscars for acting. Streep has also received 30 Golden Globe nominations, winning eight - more nominations and more competitive wins than any other actor.
Document 10: Melvin and Howard: Melvin and Howard (stylized as Melvin (and Howard)) is a 1980 American comedy-drama film directed by Jonathan Demme. The screenplay by Bo Goldman was inspired by real-life Utah service station owner Melvin Dummar, who was listed as the beneficiary of $156 million in a will allegedly handwritten by Howard Hughes that was discovered in the headquarters of The Church of Jesus Christ of Latter-day Saints in Salt Lake City. A novelization of Goldman's script later was written by George Gipe. The film starred Paul Le Mat, Jason Robards and, in an Academy Award-winning performance, Mary Steenburgen.
Document 11: A Civil Action (film): A Civil Action is a 1998 American drama film directed by Steven Zaillian and starring John Travolta (as plaintiff's attorney Jan Schlichtmann) and Robert Duvall, and that is based on the book of the same name by Jonathan Harr. Both the book and the film are based on a true story of a court case about environmental pollution that took place in Woburn, Massachusetts, in the 1980s. The film and court case revolve around the issue of trichloroethylene, an industrial solvent, and its contamination of a local aquifer. A lawsuit was filed over industrial operations that appeared to have caused fatal cases of leukemia and cancer, as well as a wide variety of other health problems, among the citizens of the town. The case involved is "Anne Anderson, et al., v. Cryovac, Inc., et al.". The first reported decision in the case is at 96 F.R.D. 431 (denial of defendants' motion to dismiss). Duvall was nominated for an Academy Award for his performance.
Document 12: Meryl Streep on screen and stage: Meryl Streep is an American actress who has had an extensive career in film, television, and stage. She made her stage debut in 1975 with The Public Theater production of "Trelawny of the Wells". She went on to perform several roles on stage in the 1970s, garnering a Tony Award nomination for her role in "27 Wagons Full of Cotton" (1976). In 1977, Streep starred in the television movie "The Deadliest Season", and made her film debut with a brief role alongside Jane Fonda in "Julia". A supporting role in the war drama "The Deer Hunter" (1978) proved to be a breakthrough for Streep and she received her first Academy Award nomination for it. She won the award the following year for playing a troubled wife in the top-grossing drama "Kramer vs. Kramer" (1979). Also in 1978, Streep played a German married to a Jew in Nazi Germany in the television miniseries "Holocaust", which earned her the Emmy Award for Best Actress.
Document 13: Dusty Ellis: Sherri Lou "Dusty" Ellis (October 13, 1953 – November 2, 2012) was an American woman known for her involvement in the Kerr-McGee plutonium plant criminal case of the 1970s when she and her roommate Karen Silkwood became activists and nuclear whistleblowers after both of their bodies tested positive for plutonium contamination. Their fight for safer working conditions was chronicled in the 1983 film "Silkwood", in which Ellis was portrayed by Cher, who was nominated for the Academy Award for Best Supporting Actress for her performance as Ellis. After Karen Silkwood's death in 1974, Ellis continued to protest and was involved in a series of legal battles against Kerr-McGee and the state of Oklahoma.
Document 14: Meryl Streep in the 2000s: Meryl Streep throughout the 2000s appeared in many cinematic and theatrical productions. In 2001, Streep’s voice appeared in the animated film A.I. Artificial Intelligence. Streep that same year cohosted the annual Nobel Peace Prize concert as well as appeared in the popular play The Seagull. In 2002, Streep appeared in the films Adaptation and The Hours. In 2003, Streep appeared unaccredited in the comedy Stuck on You and starred in the HBO play adaptation Angels in America. In 2004, Streep was awarded the AFI Life Achievement Award and in that same year starred in the films The Manchurian Candidate and Lemony Snicket's A Series of Unfortunate Events. In 2005, Streep starred in the film Prime. Streep began 2006 with the film A Prairie Home Companion and that same year starred in The Devil Wears Prada and the stage production Mother Courage and Her Children. In 2007, Streep appeared in the films Dark Matter, Rendition, Evening, and Lions for Lambs. In 2008, Streep starred in the films Mamma Mia! and Doubt. In 2009, Streep starred in Julie & Julia and It’s Complicated as well as loaning her voice to the animated film Fantastic Mr. Fox.
Document 15: Katharine Hepburn: Katharine Houghton Hepburn (May 12, 1907 – June 29, 2003) was an American actress. Known for her fierce independence and spirited personality, Hepburn was a leading lady in Hollywood for more than 60 years. She appeared in a range of genres, from screwball comedy to literary drama, and she received four Academy Awards—a record for any performer—for Best Actress. In 1999, Hepburn was named by the American Film Institute as the greatest female star of Classic Hollywood Cinema.
ground_truth: Meryl Streep