Question: Which actor starred in both Academy Award-winning screenplays written by James Goldman's brother?

Context paragraphs:
They Might Be Giants (film): They Might Be Giants is a 1971 film based on the play of the same name (both written by James Goldman) starring George C. Scott and Joanne Woodward.  Sometimes mistakenly described as a Broadway play, it never in fact opened in the USA.  It was directed in London by Joan Littlewood in 1961, but Goldman believed he "never got the play right" and forbade further productions or publication of the script.  To coincide with the film's release, however, he did authorize an illustrated paperback tie-in edition of the screenplay, published by Lancer Books.

A Family Affair (musical): A Family Affair is a musical with a book by James Goldman and William Goldman, lyrics by James Goldman and John Kander, and music by Kander.  This was Kander's first show, and his only one written without Fred Ebb in Ebb's lifetime.

James Goldman: James Goldman (June 30, 1927 – October 28, 1998) was an American screenwriter and playwright, and the brother of screenwriter and novelist William Goldman.

The Lion in Winter: The Lion in Winter is a 1966 play by James Goldman, depicting the personal and political conflicts of Henry II of England, his wife Eleanor of Aquitaine, their children and their guests during Christmas, 1183.  It premiered on Broadway at the Ambassador Theatre on March 3, 1966, starring Robert Preston and Rosemary Harris, who won a Tony Award for her portrayal of Eleanor.  It was adapted by Goldman into an Academy Award-winning 1968 film of the same name, starring Peter O'Toole and Katharine Hepburn.  The play has been produced numerous times, including Broadway and West End revivals.

William Goldman: William Goldman (born August 12, 1931) is an American novelist, playwright, and screenwriter.  He came to prominence in the 1950s as a novelist, before turning to writing for film.  He has won two Academy Awards for his screenplays, first for the western "Butch Cassidy and the Sundance Kid" (1969) and again for "All the President's Men" (1976), about journalists who broke the Watergate scandal of President Richard Nixon.  Both films starred Robert Redford.

Blood, Sweat and Stanley Poole: Blood, Sweat and Stanley Poole is a 1961 play by William Goldman and James Goldman.  Both Goldman brothers had served in the army and the play is about a supply sergeant at an army post in the south.

Mark O'Halloran: Mark O'Halloran is an Irish scriptwriter and actor.  He is a native of Ennis, County Clare.  He has written award-winning screenplays for the films "Adam & Paul" (in which he co-starred) and "Garage" and the RTÉ mini-series "Prosperity".

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.

Meir Doron: Meir Doron (born November 26, 1954) is an Israeli editor, journalist and publisher, and is the author of several books and award-winning screenplays.

M. K. Binodini Devi: Maharaj Kumari Binodini Devi (Hindi: महाराज कुमारी बिनोदिनी देवी ; 6 February 1922 – 17 January 2011) was an Indian writer from Manipur, a Southeast Himalayan state in North-east India and a member of the erstwhile royal family of Manipur.  She was notable for bridging the two worlds of ancient royalty and modern art.  Born as a princess into a palace life which she lovingly recalled in a series of late essays, she made her name in the wider world as a novelist and a writer of short stories, essays, plays and award-winning screenplays, lyrics and ballet scripts.  She received the Padma Shri in 1976, one of India's highest civilian awards, followed by Sahitya Akademi Award given by Sahitya Akademi, India's National Academy of letters) in 1979 for her novel "Boro Saheb Ongbi Sanatombi" (The Princess and the Political Agent) based on the true life story of a Manipuri princess, daughter of Maharaj Surchandra Singh.  However, she returned the Padma Shri to protest the alleged rape and killing of Thangjam Manorama by 17 Assam Rifles personnel in 2004.

Supporting paragraphs: James Goldman William Goldman
Answer: Robert Redford