Question: Do George Roy Hill and Ted Post have the same nationality?

Context articles: Toys in the Attic (1963 film)
Ted Post
Michael Sacks
Slaughterhouse-Five (film)
A Little Romance
Slap Shot (film)
The Little Drummer Girl (film)
The Sting
David S. Ward
George Roy Hill

Toys in the Attic is a 1963 American drama film starring Dean Martin, Geraldine Page, Yvette Mimieux, Gene Tierney and Wendy Hiller.
 The film was directed by George Roy Hill and is based on a Tony Award-winning play of the same name by Lillian Hellman.
 The screenplay adaptation is by James Poe and the original music score was composed by George Duning.
Ted Post (March 31, 1918 – August 20, 2013) was an American director of film and television.
 Highly prolific, Post directed numerous episodes of well-known television series including "Rawhide, Gunsmoke," and "The Twilight Zone" as well as blockbuster films such as "Beneath the Planet of the Apes" and "Magnum Force".
Michael Sacks (born September 11, 1948, New York City) is an American actor and technology industry executive who played the role of Billy Pilgrim in George Roy Hill's "Slaughterhouse Five" (1972), an adaptation from the novel by Kurt Vonnegut.
Slaughterhouse-Five is a 1972 anti-war/sci fi film based on Kurt Vonnegut's novel of the same name about a writer who tells a story in random order of how he was a soldier in World War II and was abducted by aliens.
 The screenplay is by Stephen Geller and the film was directed by George Roy Hill.
 It stars Michael Sacks, Ron Leibman, and Valerie Perrine, and features Eugene Roche, Sharon Gans, Holly Near, and Perry King.
 The scenes set in Dresden were filmed in Prague.
 The other scenes were filmed in Minnesota.
A Little Romance is a 1979 American Technicolor and Panavision romantic comedy film directed by George Roy Hill and starring Laurence Olivier, Thelonious Bernard, and Diane Lane in her film debut.
 The screenplay was written by Allan Burns and George Roy Hill, based on the novel "E=mc Mon Amour" by Patrick Cauvin.
 The original music score was composed by Georges Delerue.
 The film follows a French boy and an American girl who meet in Paris and begin a romance that leads to a journey to Venice where they hope to seal their love forever with a kiss beneath the Bridge of Sighs at sunset.
Slap Shot is a 1977 comedy film directed by George Roy Hill, written by Nancy Dowd and starring Paul Newman and Michael Ontkean.
 It depicts a minor league hockey team that resorts to violent play to gain popularity in a declining factory town.
The Little Drummer Girl is a 1984 American spy film directed by George Roy Hill and adapted from the 1983 novel "The Little Drummer Girl" by John le Carré.
 It starred Diane Keaton, Yorgo Voyagis, Klaus Kinski and Thorley Walters.
 The film received divided reviews among critics.
The Sting is a 1973 American caper film set in September 1936, involving a complicated plot by two professional grifters (Paul Newman and Robert Redford) to con a mob boss (Robert Shaw).
 The film was directed by George Roy Hill, who had directed Newman and Redford in the western "Butch Cassidy and the Sundance Kid".
 Created by screenwriter David S. Ward, the story was inspired by real-life cons perpetrated by brothers Fred and Charley Gondorff and documented by David Maurer in his book "The Big Con: The Story of the Confidence Man".
David Schad Ward (born October 25, 1945) is an American film director and screenwriter.
 He is an Academy Award winner for the George Roy Hill heist film "The Sting" (1973).
George Roy Hill (December 20, 1921 – December 27, 2002) was an American film director.
 He is most noted for directing such films as "Butch Cassidy and the Sundance Kid" (1969) and "The Sting" (1973), which both starred the acting duo Paul Newman and Robert Redford.