Question: Are both Peter Bogdanovich and Bob Clark American actors?

Context articles: This is Orson Welles
Guild of Italian American Actors
Peter Bogdanovich
List of Italian-American actors
They All Laughed
Children Shouldn't Play with Dead Things
Pieces of Time
Nickelodeon (film)
Barry Brown (actor)
Bob Clark

This is Orson Welles is a 1992 book by Orson Welles (1915–1985) and Peter Bogdanovich that comprises conversations between the two filmmakers recorded over several years, beginning in 1969.
 The wide-ranging volume encompasses Welles's life and his own stage, radio and film work as well as his insights on the work of others.
 The interview book was transcribed by Bogdanovich after Welles's death, at the request of Welles's longtime companion and professional collaborator, Oja Kodar.
 Welles considered the book his autobiography.
The Guild of Italian American Actors (GIAA) was founded in 1937 as the Italian Actors Union (IAU) to protect the rights of Italian American actors, and renamed in 1998.
 The guild has jurisdiction over Italian language professional theater, and works to preserve and promote awareness of Italian culture and heritage.
 GIAA also provides a casting resource to directors and producers seeking Italian American actors.
Peter Bogdanovich (Serbian: Петар Богдановић, "Petar Bogdanović", born July 30, 1939) is an American director, writer, actor, producer, critic and film historian.
 He is part of the wave of "New Hollywood" directors, which included William Friedkin, Brian De Palma, George Lucas, Martin Scorsese, Michael Cimino and Francis Ford Coppola.
 His most critically acclaimed and well-known film is the drama "The Last Picture Show" (1971).
To be included in this list, the person must have a Wikipedia article showing they are Italian American actors or must have references showing they are Italian American actors and are notable.
 As discussed in the 2005 book "Hollywood Italians" by Peter E. Bondanella, as well as numerous other sources, Italian-American actors have made a significant impact.
 The Guild of Italian American Actors was founded in 1937.
They All Laughed is a 1981 film directed by Peter Bogdanovich and starring Audrey Hepburn, Ben Gazzara, John Ritter, Colleen Camp, Patti Hansen, and Dorothy Stratten.
 The movie was based on a screenplay by Bogdanovich and Blaine Novak.
 It takes its name from the George and Ira Gershwin song "They All Laughed".
Children Shouldn't Play with Dead Things (also known as "Revenge of the Living Dead", "Things From the Dead", and "Zreaks") is a 1972 comedic horror film directed by Bob Clark.
 It later became a cult classic.
 This low-budget zombie film is the third film of director Bob Clark, who later became famous for directing the films "Black Christmas", "A Christmas Story", and "Porky's".
Pieces of Time is a 1973 book by Peter Bogdanovich consisting of a collection of writings by Bogdanovich on film, including pieces he had previously written for "Esquire".
Nickelodeon is a 1976 comedy film directed by Peter Bogdanovich, and stars Ryan O'Neal, Burt Reynolds and Tatum O'Neal.
 According to Bogdanovich, the film was based on true stories told to him by silent movie directors Allan Dwan and Raoul Walsh.
 It was entered into the 27th Berlin International Film Festival.
Barry Brown (April 19, 1951 – June 25, 1978) was an American author, playwright and actor who performed on stage and in television dramas and feature films, notably as Frederick Winterbourne in Peter Bogdanovich's "Daisy Miller" (1974), adapted from the classic Henry James novella (1878).
 Bogdanovich praised Brown's contribution to the film, describing him as "the only American actor you can believe ever read a book."
Benjamin "Bob" Clark (August 5, 1939 – April 4, 2007) was an American actor, director, screenwriter and producer best known for directing and writing the script with Jean Shepherd to the 1983 Christmas film "A Christmas Story".
 Although he worked primarily in the United States, from 1973 to 1983 he worked in Canada and was responsible for some of the most successful films in Canadian film history such as "Black Christmas" (1974), "Murder by Decree" (1979), "Tribute" (1980), and "Porky's" (1982).