Mark Robson (film director)
Mark Robson (4 December 1913 – 20 June 1978) was a Canadian-born film director, producer, and editor.
Robson began his 45-year career in Hollywood as a film editor.
He later began working as a director and producer.
He directed thirty-four films during his career, including "The Bridges at Toko-Ri" (1955), "Peyton Place" (1957), for which he earned his first Oscar nomination, "Von Ryan's Express" (1965), and "Valley of the Dolls" (1967).
Robson died of a heart attack after shooting his final film, "Avalanche Express", in 1978.
The film was released a year after his death.
Olav Aaraas
Olav Aaraas( born 10 July 1950) is a Norwegian historian and museum director.
He was born in Fredrikstad.
From 1982 to 1993 he was the director of Sogn Folk Museum, from 1993 to 2010 he was the director of Maihaugen and from 2001 he has been the director of the Norwegian Museum of Cultural History.
In 2010 he was decorated with the Royal Norwegian Order of St. Olav.
Peter Levin
Peter Levin is an American director of film, television and theatre.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Richard T. Jones
Richard Timothy Jones( born January 16, 1972) is an American actor.
Jones is best known for his portrayals of Laveinio in the dramatic film" The Wood"( 1999) and Mike of the dramatic films" Why Did I Get Married?"( 2007) and" Why Did I Get Married Too?"( 2010).
He is also well known for his role as Bruce Van Exel, court services officer on the CBS television series" Judging Amy" that aired from 1999 to 2005.
Lamman Rucker
Lamman Rucker( born October 6, 1971) is an American actor.
Rucker began his career on the daytime soap operas" As the World Turns" and" All My Children", before roles in Tyler Perry's films
" Why Did I Get Married?
Why Did I Get Married Too?", and" Meet the Browns", and its television adaptation.
In 2016, he began starring as Jacob Greenleaf in the Oprah Winfrey Network drama series," Greenleaf".
Brian Kennedy (gallery director)
Brian Patrick Kennedy( born 5 November 1961) is an Irish- born art museum director who has worked in Ireland and Australia, and now lives and works in the United States.
He is currently the director of the Peabody Essex Museum.
He was the director of the Toledo Museum of Art in Ohio from 2010 to 2019.
He was the director of the Hood Museum of Art from 2005 to 2010, and the National Gallery of Australia( Canberra) from 1997- 2004.
Dana Blankstein
Dana Blankstein- Cohen( born March 3, 1981) is the director of the Israeli Academy of Film and Television.
She is a film director, and an Israeli culture entrepreneur.
Jason Moore (director)
Jason Moore( born October 22, 1970) is an American director of film, theatre and television.
Trial (film)
Trial is a 1955 American film directed by Mark Robson and starring Glenn Ford, Dorothy McGuire, Arthur Kennedy, and Juano Hernandez.
Based on the novel written by Don Mankiewicz, it is about a Mexican boy accused of rape and murder; originally victimized by prejudiced accusers, he becomes a pawn of his communist defender, whose propaganda purposes would be best served by a verdict of guilty.

Question: What is the cause of death of director of film Trial (Film)?
Answer: heart attack