Question: Do Alan Alda and Denys Arcand have the same nationality ?

Context articles: Days of Darkness (2007 Canadian film)
Dirty Money (film)
Aidan Devine
Denys Arcand
Alan Alda
Between Salt and Sweet Water
Gabriel Arcand
The Barbarian Invasions
The Crime of Ovide Plouffe
Stardom

Days of Darkness (French: L'Âge des ténèbres ), also known as The Age of Ignorance, is a 2007 French Canadian sex comedy-drama film written and directed by Denys Arcand and starring Marc Labrèche, Diane Kruger and Sylvie Léonard.
 It is the third part of Arcand's loose trilogy also consisting of "The Decline of the American Empire" (1986) and "The Barbarian Invasions" (2003).
 The film follows a depressed Quebec bureaucrat, who feeling insignificant, retreats into a fantasy world.
Dirty Money (French: "La Maudite Galette" ) is a Canadian drama film from Quebec, directed by Denys Arcand and released in 1972.
 It was the first feature-length narrative film directed by Arcand.
Aidan Devine is an English Canadian film actor.
 He was born in the United Kingdom and immigrated with his family to Canada at the age of 15.
 He studied at Dawson College's Dome Theatre in Montreal, Quebec and began his acting career in Montreal.
 He would later relocate to Toronto, Ontario.
 His 1993 breakout role came in Denys Arcand's, "Love and Human Remains".
 Since then he has worked steadily in Canadian and American television and cinema capturing two Gemini Awards; a best actor award in 1997 for his performance as Ted Lindsay in "Net Worth" and in 1998, a best supporting actor Gemini for his performance as airframe engineer, Jim Chamberlin in "The Arrow".
 He has been nominated three other times.
Georges-Henri Denys Arcand, {'1': ", '2': ", '3': ", '4': "} (] ; born June 25, 1941) is a French Canadian film director, screenwriter and producer.
 He has won an Academy Award for Best Foreign Film in 2004 for "The Barbarian Invasions".
 He has also been nominated three further times, including two nominations in the same category for "The Decline of the American Empire" in 1986 and "Jesus of Montreal" in 1989, becoming the only French-Canadian director in history to receive this number of nominations and, subsequently, to win the award.
 Also for "The Barbarian Invasions", he received an Academy Award nomination for Best Original Screenplay, losing to Sofia Coppola for "Lost in Translation".
Alan Alda ( ; born Alphonso Joseph D'Abruzzo; January 28, 1936) is an American actor, director, screenwriter, and author.
 A seven-time Emmy Award and Golden Globe Award winner, he is widely known for his roles as Captain Hawkeye Pierce in the TV series "M*A*S*H" (1972–1983), hosting of "Scientific American Frontiers", and as Arnold Vinick in "The West Wing" (2004–2006).
 He has also appeared in many feature films, most notably in "Crimes and Misdemeanors" (1989), as pretentious television producer Lester, and "The Aviator" (2004) as U.S. Senator Owen Brewster, the latter of which saw Alda nominated for the Academy Award for Best Supporting Actor.
Between Salt and Sweet Water (Entre la mer et l'eau douce), also known as Drifting Upstream, is a 1967 Québécois film directed by Michel Brault, co-written by Brault, Gérald Godin, Marcel Dubé, Claude Jutra and Denys Arcand.
Gabriel Arcand (born June 4, 1949) is a Canadian actor.
 He is the brother of film director Denys Arcand.
The Barbarian Invasions (French: Les Invasions barbares ) is a 2003 Canadian-French sex comedy-drama film written and directed by Denys Arcand and starring Rémy Girard, Stéphane Rousseau and Marie-Josée Croze.
 The film is a sequel to Arcand's 1986 film "The Decline of the American Empire", continuing the story of the character Rémy, a womanizing history professor now terminally ill with cancer.
The Crime of Ovide Plouffe (French: "Le Crime d'Ovide Plouffe" ), also known as Murder in the Family in its television run, is a Canadian film and television miniseries from Quebec.
 The project consisted of two parts: a two-hour theatrical film directed by Denys Arcand which was released to theatres in 1984, and a six-hour television miniseries which aired in 1986, with four hours directed by Gilles Carle leading into the Arcand film as the final two hours.
Stardom is a 2000 Canadian comedy-drama film directed by Denys Arcand and written by J.Jacob Potashnik and Arcand.
 It stars Jessica Paré and Dan Aykroyd.
 It tells the story of a young girl who tries to cope with her rise to stardom after being discovered by a fashion agency.
 The film was screened out of competition at the 2000 Cannes Film Festival.