Question: Are Wanda Jakubowska and Bill Duke both nationals of the same country ?

Context articles: The Last Stage
Cover (film)
The Golden Spiders: A Nero Wolfe Mystery
Bill Duke
Dark Girls
The Sea (1933 film)
Wanda Jakubowska
Nike Cross Nationals
Deacons for Defense (film)
The Cemetery Club

The Last Stage (Polish: Ostatni etap) was a 1947 Polish feature film directed and co-written by Wanda Jakubowska, depicting her experiences in the Auschwitz concentration camp during World War II.
 One feature that makes the movie very unusual is the fact that although all of the actors are Poles, the ones depicting German guards speak German.
 This was an additional effort for the actors, but adds to the authenticity and atmosphere.
 The film was one of the earliest cinematic efforts to describe the Holocaust, and it is still quoted extensively by succeeding directors, including Steven Spielberg in "Schindler's List".
Cover is a drama thriller film starring Aunjanue Ellis, Razaaq Adoti, Vivica A. Fox, and Leon.
 The film was produced and directed by Bill Duke and opened at selective theaters on February 22, 2008.
The Golden Spiders: A Nero Wolfe Mystery is a 2000 made-for-television film based on the 1953 novel by Rex Stout.
 Set in 1950s Manhattan, the A&E Network production stars Maury Chaykin as the heavyweight detective genius Nero Wolfe, and Timothy Hutton as Wolfe's assistant, Archie Goodwin, narrator of the Nero Wolfe stories.
 Veteran screenwriter Paul Monash adapted the 1953 novel by Rex Stout; Bill Duke directed.
 When it first aired on the A&E Network March 5, 2000, "The Golden Spiders" was seen in 3.2 million homes, making it the fourth most-watched A&E original movie ever.
 Its success led to the A&E original series, "A Nero Wolfe Mystery" (2001–2002).
William Henry "Bill" Duke, Jr. (born February 26, 1943) is an American actor and film director.
 Known for his physically imposing frame, Duke's work frequently dwells within the action and crime drama genres but also appears in comedy.
 He often plays characters related to law enforcement.
Dark Girls is a 2012 documentary film by American filmmakers Bill Duke and D. Channsin Berry.
 It documents colorism based on skin tone among African Americans, a subject still considered taboo by many black Americans.
 The film contains interviews with notable African Americans including Viola Davis.
 It also reports on a new version of the 1940s black doll experiment by Kenneth and Mamie Clark, which proved that black children had internalized racism by having children select a white or a black doll (they typically chose white) based on questions asked.
 In the updated version, black children favored light-skinned dolls over dark-skinned dolls.
The Sea (Polish: "Morze" ) is a 1933 Polish short documentary film directed by Wanda Jakubowska.
 It was nominated for an Academy Award in 1933 for Best Short Subject (Novelty).
Wanda Jakubowska (10 October 1907 in Warsaw – 25 February 1998 in Warsaw) was a Polish film director.
Nike Cross Nationals (NXN) (formerly known as Nike Team Nationals) is an invitational cross country meet that serves as the unofficial team national championship of United States high school cross country.
 It was designed to heighten competition between high school cross country teams nationwide.
 NXN was formerly a part of the Nike Nationals Series, which included Nike Indoor Nationals, Nike Outdoor Nationals and Nike Track Nationals for track and field.
 Nike Track Nationals announced by Nike, which sponsored all of these national events before they were split up by other shoe brands New Balance Outdoor Nationals.
Deacons for Defense is a 2003 American television drama film directed by Bill Duke.
 The television film stars Forest Whitaker (Academy Award winner), Christopher Britton, Ossie Davis, Jonathan Silverman, Adam Weiner, and Marcus Johnson.
 Based on a story by Michael D'Antonio, the teleplay was written by Richard Wesley and Frank Military.
The Cemetery Club is a 1993 film directed by Bill Duke.