Question: What is the birthdate of this English television, radio, and stage actress, who starred in Barrymore Plus Four?

full_context: Document 1: Attorney General v Blake: George Blake was a former member of the Secret Intelligence Service (MI6) from 1944 to 1961. For his employment contract, he had signed an Official Secrets Act 1911 declaration to disclose no information about his work. It applied after his employment ceased. In 1951, he became a Soviet agent, thus, being a double agent. He was discovered in 1961 and the British government imprisoned him in Wormwood Scrubs (HM Prison). He escaped in 1966 and fled to the Soviet Union. He wrote a book about it and his secret services work called "No Other Choice". He received a publishing contract for its release in 1989, with Jonathan Cape Ltd. The information in the book was no longer confidential. Blake received advanced payments and was entitled to more. The Crown brought an action for all the profits he made on the book including those that he had not yet received. It argued a restitutionary principle should apply.
Document 2: Suzan Brittan: Suzan Brittan is a female actress and trained vocalist from Vestal, New York. She graduated from Ithaca College, NY. She is well known as the lead singer on the Robbie Rivera/Axwell track "Burning", which went to number one on Billboard Hot Dance Music/Club Play chart in 2004.
Document 3: Barrymore Plus Four: Barrymore Plus Four was a short-lived radio programme that aired from February to March 1995. There were eight half-hour episodes and it was broadcast on BBC Radio 2. It starred Michael Barrymore, Susie Blake, Robert Glenister, Harry Enfield, and Ted Robbins.
Document 4: Banter (radio show): Banter is a radio programme that is broadcast on BBC Radio 4 in the UK, starring Andrew Collins and Richard Herring. The pilot and the first 2 series were broadcast from August 2005 to November 2006, and a third series was broadcast in April and May 2008. There have been 19 half-hour episodes so far. The programme normally takes the form of invited guests naming their "top threes" in a given category.
Document 5: Sue Perkins: Susan Elizabeth "Sue" Perkins (born 22 September 1969) is an English comedian, broadcaster, actress and writer, born in East Dulwich, south London. Originally coming to prominence through her comedy partnership with Mel Giedroyc in "Mel and Sue", she has since become best known as a radio broadcaster and television presenter, notably of "The Great British Bake Off" (2010–2016) and "Insert Name Here" (2016–present).
Document 6: Mid Morning Matters with Alan Partridge: Mid Morning Matters is a British digital radioshow parody written by Steve Coogan, Neil Gibbons, Rob Gibbons and Armando Iannucci, produced by Baby Cow Productions and funded by the British arm of Australian lager company Foster's, starring Coogan as fictional radio DJ Alan Partridge. The first of twelve 15-minute episodes was uploaded to the Foster's Funny website on 5 November 2010, and then available on YouTube. Six 30-minute episodes titled "Alan Partridge Mid Morning Matters: Special Edition", edited from the web series, began airing on Sky Atlantic HD in July 2012 as part of a deal between producers Baby Cow and BSkyB. A second series consisting of six episodes was announced on 1 July 2014 to air on Sky Atlantic in 2016 with a premiere date of 16 February.
Document 7: The Big Booth (radio show): The Big Booth was a short-lived radio programme that aired from January 2000-March 2001. There were 12 half-hour episodes and it was broadcast on BBC Radio 4. It starred Boothby Graffoe.
Document 8: Susie Blake: Susie Blake (born 19 April 1950 in Highgate, London) is an English television, radio and stage actress.
Document 9: Round the Horne: Round the Horne is a BBC Radio comedy programme that was transmitted in four series of weekly episodes from 1965 until 1968. The series was created by Barry Took and Marty Feldman, with others contributing to later series after Feldman returned to performing, and starred Kenneth Horne, with Kenneth Williams, Hugh Paddick, Betty Marsden and Bill Pertwee. The show's announcer was Douglas Smith and from time to time he took part in the sketches. It had musical interludes by close harmony singing group the Fraser Hayes Four, and accompaniment by the big band of Edwin Braden ("the great, 'airy fool" according to Kenneth Williams), known as Edwin Braden and the Hornblowers. The band was actually the BBC Radio Orchestra but was never billed as such. In the fourth series, all the musical duties were performed by the smaller Max Harris Group. Took and the cast had worked on the predecessor series "Beyond Our Ken". The name is a pun on the nautical phrase for sailing around Cape Horn.
Document 10: Emily Blunt: Emily Olivia Leah Blunt (born 23 February 1983) is a British-American film and stage actress. Blunt made her professional debut in a 2001 London production of the play "The Royal Family". Two years later, she appeared on screen for the first time in the 2003 television film "Boudica (Warrior Queen)" and portrayed ill-fated queen consort Catherine Howard in the miniseries "Henry VIII". Her performance in the 2004 drama film "My Summer of Love" garnered her the Evening Standard British Film Award for Most Promising Newcomer. For her performance in the TV film "Gideon's Daughter" (2006) she received a Golden Globe Award for Best Supporting Actress. The same year, she received a Golden Globe nomination for Best Supporting Actress – Motion Picture and a nomination for a BAFTA Award for Best Actress in a Supporting Role for "The Devil Wears Prada."
Document 11: Act Your Age (radio series): Act Your Age is a panel game on BBC Radio 4 hosted by Simon Mayo. The series, created by Ashley Blaker (the original radio producer of Little Britain) and Bill Matthews (co-deviser of They Think It's All Over), was first broadcast on 27 November 2008. The show features three teams of stand-up comedians from different generations: "The Up-And-Comers", featuring younger comedians, captained by Jon Richardson; "The Current Crop", featuring comedians popular at the moment, captained by Lucy Porter; and "The Old Guard", featuring older, veteran comics, captained by Roy Walker, (although in the second series, Adrian Walsh and Johnnie Casson took over for two shows each when Walker was unavailable). Most critics disliked the show. The readers of the British Comedy Guide went as far as voting it the "Worst British Radio Panel Show / Satire 2008".
Document 12: Julian and Sandy: Julian and Sandy were characters on the BBC radio comedy programme "Round the Horne" from 1965 to 1968 and were played by Hugh Paddick and Kenneth Williams respectively, with scripts written by Barry Took and Marty Feldman. According to a BBC Radio 4 programme on the characters, they were named after the writers Sandy Wilson and Julian Slade.
Document 13: Blake Harrison: Blake Harrison Keenan, better known as Blake Harrison (born 1985) is an English actor, best known for playing Neil Sutherland in the BAFTA-winning E4 comedy "The Inbetweeners".
Document 14: Julia Blake: Julia Blake (born 13 May 1937) is an English-born Australian actress of theatre, television and film. She is known for her role as Nancy McCormack on the Australian drama series "Prisoner" ("Prisoner: Cell Block H"), for which she appeared during the final season in 1986. She appeared in two earlier roles in "Prisoner", as Evelyn Randall (1981) and Alice Dodds (1983). She won the 1989 AFI (AACTA) Award for Best Actress in a Miniseries for "Eden's Lost", and the 1990 AFI {AACTA) Award for Best Supporting Actress for her role opposite Max von Sydow in the film "Father". She also received AFI nominations for "Travelling North" (1987), "Innocence" (2000) and "The Boys are Back" (2009).
Document 15: List of Two Pints of Lager and a Packet of Crisps episodes: List of Two Pints of Lager and a Packet of Crisps episodes
ground_truth: 19 April 1950