Question: When was the english actress that starred in Cilla born 

Context paragraphs:
Sheridan Smith: Sheridan Smith, OBE (born 25 June 1981) is an English actress, singer and dancer.

Emily Atack: Emily Jane Atack (born 18 December 1989 in Bedfordshire) is an English actress, best known for her role as Charlotte Hinchcliffe in the award winning E4 series "The Inbetweeners".  In recent years she has starred films such as the remake of Dad's Army opposite Catherine Zita Jones and Bill Nighy and will co-star alongside Jennifer Saunders in Disney's live action picture, Patrick in 2018.  She starred alongside Harvey Kietel and Gabriel Byrne in British film Lies We Tell.  She has also starred in television programmes such as Rock and Chips (BBC), Little Crackers (Sky One), The Keith Lemon Sketch Show (ITV2) and The Tracey Ullman Show (BBC).

Unique Priscilla: Unique Priscilla Mauretha Hadisoemartho (born 21 September 1970), better known as Cilla, is an Indonesian model and actress.

Naomie Harris: Naomie Melanie Harris, {'1': ", '2': ", '3': ", '4': "} (born 6 September 1976) is an English actress.  She started her career as a child actress, appearing on the children television series "Simon and the Witch" in 1987.  She played voodoo witch Tia Dalma in the second and third "Pirates of the Caribbean" films, Selena in "28 Days Later", and Winnie Mandela in "".  She played Eve Moneypenny in the James Bond films "Skyfall" and "Spectre".  In 2016, she starred in the critically acclaimed film "Moonlight"; a performance which earned her several nominations for Best Supporting Actress awards, including the Golden Globe, BAFTA, and the Academy Award.

Cilla Black: Priscilla Maria Veronica White OBE (27 May 1943 – 1 August 2015), known by her stage name Cilla Black, was an English singer, television presenter, actress, and author.

Cilla (miniseries): Cilla is a British drama television miniseries about the early career of Cilla Black.  It was broadcast in three parts on ITV, and began on 15 September 2014 with Sheridan Smith playing the starring role.  Smith was much praised for her performance.

Marny Kennedy: Marny Elizabeth Kennedy (born 21 January 1994) is an Australian actress, singer and model.  She is best known for her roles as Taylor Fry in the series "Mortified", and Veronica di Angelo #2 on "The Saddle Club".  She also stars as Ally Henson in the TV series "A gURLs wURLd".  She is also known for her role as Winter Frey in the TV adaptaion of Conspiracy 365.  In 2011 she appeared in the short-film "Golden Girl" as teenage Cilla, whose life is drastically changed after she becomes scarred by a fire.

Cilla Kung: Cilla Kung also known as Lok Tung (樂瞳), birth name is Gung Sin-tung (龔茜彤), born in 1986, is a Hong Kong actress, singer, and model.  She started out as a contestant in Beautiful Cooking.  She gained recognition in The Four, and Yes, Sir.  Sorry, Sir! .  She mostly plays young characters due to her youthful appearance.

Shannon Flynn: Shannon Flynn (born 22 August 1996) is an English actress from Rochdale, Greater Manchester, who is best known for playing Emily James in the BBC school-based drama, "Waterloo Road".  Flynn has also had a presenting role on the CBBC show "Friday Download", and had starred in its film, "Up All Night".  From 2013 to 2015, Flynn starred in the CBBC children's show, "Dani's Castle."

Wendi Peters: Wendi Louise Peters (born 29 February 1968 in Blackburn, Lancashire), is an English actress.  She is known for playing Cilla Battersby-Brown in the ITV soap opera "Coronation Street".

Supporting paragraphs: Cilla (miniseries) Sheridan Smith
Answer: 25 June 1981