"A Question of Attribution" is a 1991 television play written by Alan Bennett and commissioned by the BBC. Directed by John Schlesinger it stars James Fox as Anthony Blunt and Prunella Scales as Queen Elizabeth II. 1991 (MCMXCI) is a common year starting on Tuesday of the Gregorian calendar. ... Published by Faber/Profile Books in 2005 Alan Bennett (born May 9, 1934) is an English author and actor. ... Corporate logo of the British Broadcasting Corporation The British Broadcasting Corporation (BBC) is the national public service broadcaster of the United Kingdom (see British television). ... John Richard Schlesinger (February 16, 1926–July 25, 2003) was a British film director. ... James Fox (born 19 May 1939) is an English actor. ... Anthony Frederick Blunt (September 26, 1907 – March 26, 1983) was an English art historian and the Fourth Man of the Cambridge Five, a group of spies working for the Soviet Union during the Cold War. ... Prunella Scales (born June 22, 1932) is an English actress best known for her role as Sybil Fawlty in the British sitcom Fawlty Towers. ... Elizabeth II (Elizabeth Alexandra Mary Windsor), born 21 April 1926, is the Queen regnant of the United Kingdom of Great Britain and Northern Ireland, Canada, Australia, New Zealand, Jamaica, Barbados, the Bahamas, Grenada, Papua New Guinea, the Solomon Islands, Tuvalu, Saint Lucia, Saint Vincent and the Grenadines, Antigua and Barbuda...

Set around 1977 the play details the complex relationship between Blunt as Keeper of the Queens Pictures and the Monarch. Blunt's role as a Soviet Spy has already been exposed but is not public knowledge. The Queen is aware of his betrayal but out of politeness and respect only makes indirect reference to this. In the play's central scene the pair discuss a three part portrait of Charles I by Van Eyck.

The play was the second by Bennett dealing with a member of the Cambridge Spy Ring following An Englishman Abroad. An Englishman Abroad is a film based on the true story of a chance meeting of an actress, Coral Browne, with Guy Burgess, one of the famous group of Soviet Union whilst with MI6. ...