Question: Restless is a 2012 British TV adaptation of William Boyd's espionage novel "Restless" (2006), the film features Sir Michael John Gambon, an Irish-born English actor who has worked in theatre, television and film, born when?

Context paragraphs:
Danny Lee Wynter: Danny Wynter (born 25 May 1982), known professionally as Danny Lee Wynter, is an English actor, writer, and campaigner.  He is best known for playing the lead role of Joe in Stephen Poliakoff's BBC films Joe's Palace and Capturing Mary, alongside Sir Michael Gambon and Dame Maggie Smith.  He is also recognised for his stage work.

Camilla Power: Camilla Joy Cynthia Power (born 13 November 1976) is an Irish-born English actress.  She portrayed Jill Pole in BBC's TV adaptation of the book "The Silver Chair" by C.S. Lewis, and in adult life she played teacher Lorna Dickey in BBC One serial "Waterloo Road".

Waiting for Sunrise: Waiting for Sunrise is a 2012 espionage novel by William Boyd.  The book was published on April 17, 2012 by Bloomsbury Press in the United Kingdom and by HarperCollins in the United States.

Any Human Heart (TV series): Any Human Heart is a 2010 BAFTA award–winning TV adaptation of the novel "Any Human Heart" by William Boyd.  It was announced in April 2010 and broadcast in four parts (four hours) from 21 November to 12 December 2010 on Channel 4.  A re-edited version aired in the U.S. on 13, 20 & 27 February 2011 (three 1.5 hour episodes) on PBS.

Restless (2012 miniseries): Restless is a 2012 British TV adaptation of William Boyd's espionage novel "Restless" (2006).  Directed by Edward Hall, the film features Hayley Atwell, Rufus Sewell, Michelle Dockery, Michael Gambon and Charlotte Rampling.  The two parts first aired on 27 and 28 December 2012 on BBC One.

Gordon Boyd: Gordon William Boyd (26 December 1922 – 8 October 2009) was an English actor of film, television and musical theatre as well as a television host, and singer who hosted several television programmes in Australia during the 1960s.  He worked in both his native Britain, and then in Australia after immigrating in 1964.

Martyn Stanbridge: Martyn Stanbridge (born May 1957) was educated at Trent College.  He is a Drama Centre London trained English actor.  His work includes television and theatre, with appearances in the UK and internationally.  He has performed at many of the regional theatres in the UK, the West End and Royal National Theatre.  He has performed in a wide range of roles in a wide range of plays.  Playwrights include William Shakespeare, Thomas Otway, Neil Simon, Dion Boucicault, Alan Ayckbourn, Ray Cooney, Anton Chekhov, Noël Coward, Agatha Christie.  His first lead role in a television film was in Good and Bad at Games by screenwriter and novelist William Boyd.

Michael Gambon: Sir Michael John Gambon {'1': ", '2': ", '3': ", '4': "} (born 19 October 1940) is an Irish-born English actor who has worked in theatre, television and film.  Gambon has played the eponymous mystery writer protagonist in the BBC television serial "The Singing Detective", Jules Maigret in the 1990s ITV serial "Maigret", and Professor Albus Dumbledore in the final six "Harry Potter" films after the death of previous actor Richard Harris.  He has won four BAFTA TV Awards and three Olivier Awards.

Richard Armitage (actor): Richard Crispin Armitage (born 22 August 1971) is an English film, television, theatre and voice actor.  He received notice in the UK with his first leading role as John Thornton in the British television programme "North & South" (2004).  But it was his role as dwarf prince and leader Thorin Oakenshield in Peter Jackson's film trilogy adaptation of "The Hobbit" that first brought him international recognition.  Other notable roles include John Proctor in Yaël Farber’s stage production of Arthur Miller's "The Crucible", Francis Dolarhyde in the American TV series "Hannibal", Lucas North in the British TV drama "Spooks", John Porter in the British TV drama "Strike Back", and Guy of Gisborne in the British TV drama "Robin Hood".  He more recently voiced Trevor Belmont in the Netflix adaptation of "Castlevania".

Restless (novel): Restless is an espionage novel written by William Boyd, published in 2006.  It won the Costa Prize for fiction.

Supporting paragraphs: Restless (2012 miniseries) Michael Gambon
Answer: 19 October 1940