Question: Are Marshall Neilan and Nikos Nikolaidis both American?

Context paragraphs:
The Silent Partner (1917 film): The Silent Partner is a 1917 American silent drama film directed by Marshall Neilan from a screen story by Edmund Goulding and starred Blanche Sweet, who in a few years would marry Marshall Neilan.  The film was remade in 1923, and also released by Paramount Pictures.

Nicos Nicolaides (disambiguation): Nicos Nicolaides, Nikos Nikolaides or Nikos Nikolaidis (Greek: Νίκος Νικολαΐδης ) may refer to:

Morning Patrol: Morning Patrol (Greek: "Πρωϊνή Περίπολος" , tr.  "Proini Peripolos") is a 1987 Greek dramatic experimental independent surrealist underground art film directed by Nikos Nikolaidis.  It introduced a new iconography to Nikolaidis' work and contains several elements somewhat resembling the thriller genre and post-apocalyptic science fiction.  The film has an elaborate yet simple script of strongly contrasting moods.  The film's dialogue contains excerpts taken from published works authored by Daphne du Maurier, Philip K. Dick, Raymond Chandler, and Herman Raucher.  It received the Best Director Award and the Greek National Ministry of Culture Award at the Thessaloniki Festival of Greek Cinema in October 1987, where Dinos Katsouridis also won the Best Cinematographer Award and Marie-Louise Bartholomew also won the Best Art Director Award.  The film went on further to be officially selected for screening at Fantasporto in February 1989 where it was nominated for the International Fantasy Film Award and it was also officially selected for screening at the Avoriaz Fantastic Film Festival in January 1987 where it was nominated for the Grand Prize.

Praktores 005 enantion Hrysopodarou: Praktores 005 enantion (C)Hrysopodarou or Praktores 005 ena(n)dion Hris(s)opodarou (Greek: "Πράκτορες 005 εναντίον Χρυσοπόδαρου" ) is a 1965 Greek comedy film directed by Orestis Laskos and written by Nikos Nikolaidis and starring Kostas Rigopoulos, Costas Hajihristos, Giannis Gkionakis, Beata Asimakopoulou, Giorgos Vrassivanopoulos and Giorgos Velentzas.  The film was shot in black-and-white.

Singapore Sling (1990 film): Singapore Sling: The Man Who Loved a Corpse (Greek: "Singapore Sling: Ο Άνθρωπος που Αγάπησε ένα Πτώμα" , tr.  "Singapore Sling: O Anthropos pou Agapise ena Ptoma") is a 1990 Greek black and white dramatic experimental independent underground art film directed by Nikos Nikolaidis and regarded as his magnum opus.  Considered a difficult film to label while still managing to develop something of a cult following throughout the years nonetheless, it was shot in a bizarre manner somewhat resembling film noir or neo-noir and black comedy as well as the exploitation, thriller, and crime genres mixed with some elements of eroticism and horror with sex being used as a power game and received a theatrical release in Greece on 6 December 1990.  Despite Nikolaidis' career as a film director in his home country which stretches to the early 1960s he was almost entirely unknown outside Greece before the early 1990s and is still less known outside it and it was only with this film, which has immediately achieved cult status, that international fame came to him and it probably still remans the film for which he is best known today, as exemplified by the fact that it was released on DVD by Synapse Films, the only one of Nikolaidis' films to so far receive a home video release in North America.  The film was officially selected for screening at the Rimini Film Festival.

The Eternal Three: The Eternal Three is a 1923 American silent film drama produced and distributed by Goldwyn Pictures.  It was directed by both Marshall Neilan and Frank Urson.  Hobart Bosworth, Claire Windsor and Bessie Love star.  The film was made from a screen story by Neilan and is now a lost film, although a brief production scene of director Marshall Neilan with stars Raymond Griffith, Hobart Bosworth, and Claire Windsor appear in the restored film "Souls for Sale".

Nikos Nikolaidis: Nikos Georgiou Nikolaidis (Greek: Νίκος Γεωργίου Νικολαΐδης ) (25 October 1939, Athens, Greece – 5 September 2007, Athens, Greece) was a Greek film director, screenwriter, film producer, writer, theatre director, assistant director, record producer, television director, and commercial director.  He is usually considered a representative of European avant-garde and experimental art film.

Everybody's Acting: Everybody's Acting is a lost 1926 American drama silent film directed by Marshall Neilan and written by Marshall Neilan, Benjamin Glazer and George Marion Jr..  The film stars Betty Bronson, Ford Sterling, Louise Dresser, Lawrence Gray, Henry B. Walthall, Raymond Hitchcock and Stuart Holmes.  The film was released on November 8, 1926, by Paramount Pictures.

Marshall Neilan: Marshall Ambrose "Mickey" Neilan (April 11, 1891 – October 27, 1958) was an American motion picture actor, screenwriter, film director, and producer.

Sweet Bunch: Sweet Bunch (Greek: "Γλυκιά Συμμορία" , tr.  "Glykia Symmoria") is a 1983 Greek dramatic experimental independent underground art film directed by Nikos Nikolaidis.  The film, produced by Vergeti Brothers and the Greek Film Center, is the second part of the "Years of Cholera" trilogy beginning with "The Wretches Are Still Singing" (1979) and ending with "The Loser Takes It All" (2002) which deals with the last decades of the twentieth century.  The original Greek title directly references the Greek title of the 1969 Sam Peckinpah film "The Wild Bunch" (Greek: "Άγρια Συμμορία" , tr.  "Agria Symmoria").  The film uses as background music the 1958 song "Sugartime" written by Charlie Phillips and Odis Echols as well as the 1940 song "Sweet Mara" (Greek: «Γλυκιά Μαράτα,» tr.  "Glykia Marata" ) composed by Leo Rapitis to lyrics by Kostas Kofiniotis which was performed by Kakia Mendri.  It was distributed by the Greek Film Center in Greece and by Restless Wind abroad.

Supporting paragraphs: Marshall Neilan Nikos Nikolaidis
Answer: no