Premonition (also known as Head or The Impure) is a 1972 film written and directed by Alan Rudolph.
 The film was Rudolph's first after being an assistant director of 11 episodes of the 1960s sitcom "The Brady Bunch", as well as the films "The Big Bounce" (1969) and "Riot" (1969).
 Originally titled "Head", the distributors first changed the title to "Premonition" and later for a time to "Impure".
Kostas Andritsos, also known as George Andrews (Greek: Κώστας Ανδρίτσος ; May 1, 1916, Athens – October 10, 1993), was a Greek film director and writer.
Mrs. Parker and the Vicious Circle is a 1994 American film scripted by screenwriter/director Alan Rudolph and former "Washington Star" reporter Randy Sue Coburn.
 Directed by Rudolph, it starred Jennifer Jason Leigh as the writer Dorothy Parker and depicted the members of the Algonquin Round Table, a group of writers, actors and critics who met almost every weekday from 1919 to 1929 at Manhattan's Algonquin Hotel.
Aera!
 Aera!
 Aera!
 (Greek: Αέρα!
 Αέρα!
 Αέρα!
 ; En.
 Hero Bunker) is a 1972 Greek feature film directed by Kostas Andritsos, starring Yannis Voglis and Xenia Kalogeropoulou.
 The plot concerns the opening phase of the Greco-Italian War in October/November 1940, with the protagonists caught up in the Italian invasion of Greece from Albania.
 The film belongs to a series if "patriotic" movies shot during the Greek military junta of 1967–74.
 Its title derives from the popular Greek war cry of the time, ""Aera!""
.
Alan Steven Rudolph (born December 18, 1943) is an American film director and screenwriter.
The Secret Lives of Dentists is a 2002 drama film directed by Alan Rudolph.
 The screenplay was written by Craig Lucas, based on the novella "The Age of Grief" by Jane Smiley.
 It was screened at several film festivals including Sundance and Cannes, and had a limited release in America on August 1, 2003.
 To date, this is Rudolph's last film.
Bouboulina (Greek: Μπουμπουλίνα ) is a 1959 Greek drama film directed and written by Kostas Andritsos and starring Irene Papas as Laskarina Bouboulina, Koula Agagiotou, Andreas Barkoulis and Dionysis Papagiannopoulos.
 The film features the heroine of the Greek Revolutionary of 1821 Laskarina Bouboulina.
Exo oi kleftes (Greek: Greek: Έξω οι κλέφτες , Translations: "Leave You Thieves" and "Get Out You Thieves") is a 1961 Greek comedy film directed by Kostas Andritsos and stars Orestis Makris, Dionysis Papayiannopoulos, Dimitris Nikolaidis, Martha Karagianni, Andreas Douzos, Koulis Stoligas, etc.
 The movie was based on a theatrical play by Stefanos Fotiadis.
O skliros andras (Greek: "Ο σκληρός άνδρας" ) is a 1961 Greek comedy film produced by Finos Films and was directed by Giannis Dalianidis and starred Kostas Hatzichristos, Martha Vourtsi, Martha Karagianni and Kostas Voutsas.
 It is a cinematographic representation of the play by Georgios Roussos.
 In its first week of screening in Athens and Piraeus, the movie sold 38,764 tickets placing it 14th in the 68 Greek films in 1961-62.
Oscar Rudolph (April 2, 1911 – February 1, 1991) was an American film and television director, producer and actor.
 He is the father of film director, screenwriter and producer Alan Rudolph.

Question: Kostas Andritsos and Alan Rudolph were a Greek and American with what movie occupation in common?
Answer: film director