Question: A 1978 thriller film based on a book by Edward N. Luttwak stars David Hemmmings and a Shakespearean actor that performed at what theater?

Context articles: The Passing of the Third Floor Back (1918 film)
Peter O'Toole
Jonathan Phelps
The Thirty Nine Steps (1978 film)
Land of No Return
Power Play (1978 film)
Emrys James
Edward N. Martin
Frank Barrie
Moby Dick (1978 film)

The Passing of the Third Floor Back is a 1918 British/American silent allegorical film based on the 1908 play "The Passing of the Third Floor Back" by Jerome K. Jerome and directed by Herbert Brenon.
 The star of the film is Sir Johnston Forbes-Robertson, a legendary Shakespearean actor, who starred in the 1909 Broadway presentation of the play and its 1913 revival.
 Forbes-Robertson had been knighted by King George V in 1913 and had retired from acting in theatre that same year.
 In his retirement Forbes-Robertson had only dabbled in film acting making a 1913 film version of "Hamlet", the most famous role he had played on the stage.
 Filmed in 1916, it was released in 1918.
Peter Seamus O'Toole ( ; 2 August 1932 – 14 December 2013) was an Anglo-Irish stage and film actor.
 He attended the Royal Academy of Dramatic Art and began working in the theatre, gaining recognition as a Shakespearean actor at the Bristol Old Vic and with the before making his film debut in 1959.
William Jonathan Phelps (died July 21, 2011), known as Jonathan Phelps, was a radio announcer on Atlanta, Georgia's classical music stations WGKA-FM and WABE-FM.
 Born in Tennessee, he moved to Atlanta in 1937, where he began as an announcer on WGKA-FM in 1956.
 He stayed with that station until it was sold in 1971 and its programming format changed, whereupon he went to WABE-FM, eventually became program director, and stayed with that station until his retirement in 1991.
 Known locally for his rich voice, he was also a Shakespearean actor and a part-time ballet dancer, having performed some roles with the Atlanta Ballet.
 On radio, he spoke without a trace of his native Tennessee accent, or indeed, any kind of Southern accent.
The Thirty Nine Steps is a British 1978 thriller film directed by Don Sharp, with screenplay by British playwright Michael Robson, based on the novel "The Thirty-Nine Steps" by John Buchan.
 It was the third film version of the 1915 novel.
Land of No Return is a 1978 thriller film written, directed, and produced by Kent Bateman, father of Jason and Justine Bateman.
 The film stars Mel Torme and William Shatner.
Power Play is a 1978 British-Canadian thriller film starring Peter O'Toole and David Hemmings, based on the non-fiction strategy book "" by Edward N. Luttwak.
Emrys James (1 September 1928 – 5 February 1989) was a Welsh Shakespearean actor.
 He also performed in many theatre and TV parts between 1960 and 1989, and was an Associate Artist of the Royal Shakespeare Company.
 He was born in Machynlleth, the son of a railwayman, and attended the University of Wales, Aberystwyth.
Edward N. Martin is the president and CEO of HJ Martin and Son, a Green Bay, Wisconsin-based interior and specialty contractor.
 Edward joined the company in 1978, and became the third-generation of the family involved in the business.
Frank Barrie (born 19 September 1936) is a British stage and television actor.
 He made his acting debut in 1959 in a production of "Henry IV, Part 2" at the York Theatre Royal.
 He proved to be a successful Shakespearean actor throughout his career.
 More recently, he starred in "Lunch with Marlene", a 2008 tribute to Noël Coward and Marlene Dietrich and in 2010 was cast as Edward Bishop a choir master.
Moby Dick is a 1978 filmed one-man version of Herman Melville's classic "Moby Dick".
 The film starred Jack Aranson, a Shakespearean actor trained in the Old Vic, and was directed by Paul Stanley.