Question: Ken Davitian and Adrienne Barbeau, are of which nationality?

Context paragraphs:
Ken Davitian: Kenneth "Ken" Davitian (Քեն Դավիթյան, born June 19, 1953) is an American comedian, who is best known for his role as Borat's producer Azamat Bagatov in the 2006 comedy film "Borat".

Swamp Thing (film): Swamp Thing is a 1982 American superhero science-fiction horror film written and directed by Wes Craven, based on the DC Comics (later Vertigo Comics) character of the same name created by Len Wein and Bernie Wrightson.  It tells the story of scientist Alec Holland (Ray Wise) who becomes transformed into the monster Swamp Thing (Dick Durock) through laboratory sabotage orchestrated by the evil Anton Arcane (Louis Jourdan).  Later, he helps a woman named Alice Cable (Adrienne Barbeau) and battles the man responsible for it all, the ruthless Arcane.

Unholy (2007 film): Unholy is an independent film about Nazi mysticism starring Adrienne Barbeau and Nicholas Brendon.  It was written by Samuel Stephen Freeman, directed by Daryl Goldberg, and produced by Joshua Blumenfeld and Sky Whisper Productions.  Its release on DVD was on September 4, 2007.  The movie is alleged to be based on fact, and was produced to document the facts surrounding the experiments in mysticism.

Red Alert (film): Red Alert is a 1977 thriller television film directed by William Hale (as Billy Hale) and starring William Devane, Michael Brandon, Ralph Waite and Adrienne Barbeau.  It was distributed by CBS.

Open House (1987 film): Open House is a 1987 horror film written and directed by Jag Mundhra, and co-written by David M. Evans, and starring Joseph Bottoms, Adrienne Barbeau and Mary Stavin.

The Fog: The Fog (also known as John Carpenter's The Fog) is a 1980 American horror film directed by John Carpenter, who also co-wrote the screenplay and created the music for the film.  It stars Adrienne Barbeau, Jamie Lee Curtis, Tom Atkins, Janet Leigh and Hal Holbrook.  It tells the story of a strange, glowing fog that sweeps in over a small coastal town in California, bringing with it the vengeful ghosts of mariners who were killed in a shipwreck there exactly 100 years before.

Two Evil Eyes: Two Evil Eyes (Italian: Due occhi diabolici) is a 1990 horror film, written and directed by Dario Argento and George A. Romero.  The two had previously worked together on the immensely popular "Dawn of the Dead" in 1978.  The film is split into two separate tales, both based largely on the works of Edgar Allan Poe: "The Facts in the Case of M. Valdemar", directed by Romero and starring Adrienne Barbeau, showcases his traditional mix of horror with social commentary, especially capitalism; and "The Black Cat", directed by Argento and starring Harvey Keitel, which blends a number of Poe references into a new narrative.  Both of the tales were filmed in and take place in contemporary Pittsburgh.

Adrienne Barbeau: Adrienne Jo Barbeau (born June 11, 1945) is an American actress, singer and the author of three books.  Barbeau came to prominence in the 1970s as Broadway's original Rizzo in the musical "Grease", and as Carol Traynor, the divorced daughter of Maude Findlay (played by Bea Arthur) on the sitcom "Maude".  In the 1970s and 1980s, Barbeau was a sex symbol, and in 1980 began appearing in horror and science fiction films, including "The Fog", "Creepshow", "Swamp Thing" and "Escape from New York".  During the 1990s, she became known for providing the voice of Catwoman on "" and subsequent Batman cartoon series.  In the 2000s, she appeared on the HBO series "Carnivàle" as Ruthie the snake dancer.

Creepshow: Creepshow is a 1982 American black comedy horror anthology film directed by George A. Romero and written by Stephen King, making this film his screenwriting debut.  The film's ensemble cast included Hal Holbrook, Adrienne Barbeau, Fritz Weaver, Leslie Nielsen, Ted Danson, and E. G. Marshall, as well as King himself in his film acting debut.  The film was shot on location in Pittsburgh and its suburbs, including Monroeville, where Romero leased an old boys academy (Penn Hall) to build extensive sets for the film.

Azamat Bagatov: Azamat Bagatov is a satirical character invented by English comedian Sacha Baron Cohen.  Played by Ken Davitian, he is a Kazakh producer and is a character in the film "Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan".  He works in a guesthouse now.

Supporting paragraphs: Ken Davitian Adrienne Barbeau
Answer: American