Question: What ballerina danced at a cinema currently operated by Cineworld on the north side of Leicester Square?

Context articles: Leicester Square Theatre
Royal Panopticon
Nativity 2: Danger in the Manger
Odeon West End
Richard Herring's interview podcasts
Thurston's Hall
Phyllis Bedells
Tortoise in Love
Empire, Leicester Square
Odeon Leicester Square

The Leicester Square Theatre is a 400-seat theatre near Leicester Square, in the City of Westminster, London.
 It was previously known as Notre Dame Hall, Cavern in the Town and The Venue.
 The theatre, which also has a 70-seat basement lounge theatre, hosts stand-up comedy, cabaret, music, plays and comedies.
The Royal Panopticon of Science and Art, to give the full title, was one of the grand social institutions and architectural splendours of Victorian London, that is now lost.
 It was given a Royal Charter in 1850 and in July 1851 a lease was taken out on a premium site for 60 years, and building could commence.
 The Panopticon was built on the eastern side of Leicester Square, opening on 18 March 1854.
 As a showcase venue for the very best achievements in Science and Arts of the time, it attracted 1,000 visitors per day.
 Two years later however it closed, obtained a licence for theatrical performances and was re-opened as the Alhambra Theatre.
 The site is now occupied by the Odeon Leicester Square.
Nativity!
 2: Danger in the Manger is a 2012 British comedy film written and directed by Debbie Isitt, an improvised Christmas comedy is the second film in the "Nativity" film series.
 The film stars David Tennant playing the dual role of twin brothers, with Joanna Page as the wife of one of the brothers and Ian McNeice as the father of the brothers.
 Pam Ferris and Marc Wootton reprise their roles from the first film.
 The film, which is the official Children in Need film of 2012, had its first public screening on 11 November 2012, when 42 Cineworld cinemas in the UK held one-off charity screenings with all proceeds going to Children in Need.
 The film's official premiere was at the Leicester Square Odeon on 14 November.
 It went on a wide release on 23 November.
The Odeon West End, from 1930 to 1988 known as Leicester Square Theatre, was a cinema on the south side of Leicester Square, London.
 It contained two screens—screen 1 seats 500 and screen 2 seats 832.
 It was often used for smaller film premieres, and hosted the annual BFI London Film Festival.
 The building is opposite the much larger flagship Odeon Leicester Square.
Richard Herring's Edinburgh Fringe Podcast and Richard Herring's Leicester Square Theatre Podcast are two comedy podcasts, created by and starring British comedian Richard Herring.
 Hosted on The British Comedy Guide, the podcasts are interviews with notable guests, usually fellow comedians.
 The original Edinburgh Fringe podcast ran from 2011 to 2013, and took place most days for the duration of the Fringe, focusing on interviews with performers at the festival.
 They also contain short stand-up segments from Fringe performers.
 The "Leicester Square Theatre Podcast", recorded at Leicester Square in London, began in 2012 and follows a similar format, with higher profile guests.
 It runs for a shorter series than the Edinburgh Fringe version, with weekly recordings.
Thurston's Hall was a major billiards and snooker venue between 1901 and 1955 in Leicester Square, London.
 The hall was in the premises of Thurston & Co. Ltd who relocated to Leicester Square in 1901.
 The building was bombed in 1940 and reopened under a new name, Leicester Square Hall, and new management in 1947.
 The venue closed in 1955 and the building was demolished to make way for an extension to Fanum House.
 The Hall was used for many important billiards and snooker matches, including 12 World Snooker Championship finals between 1930 and 1953.
 It was also the venue of the first World Snooker Championship match in November 1926.
 The hall was sometimes referred to as "Thurston's Grand Hall".
 There was also a "Minor Hall" in the same building.
Phyllis Bedells (9 August 1893 – 2 May 1985) was an English ballerina and teacher.
 She studied with Bolm, Cecchetti, and Pavlova.
 From 1907 she was a dancer at the London Empire Theatre and became the first British prima ballerina there in 1914.
 She left in 1916 to dance in West End musical revues and in opera ballets at Covent Garden.
 She was a founding member of the Royal Academy of Dance in 1920 and helped to draw up its first syllabus.
 She was also a member of the Camargo Society.
 In 1931 she appeared as a guest artist with the Vic-Wells Ballet.
 She retired in 1935, becoming both a ballet teacher and an examiner for the Royal Academy of Dance.
 In 1979 the annual Phyllis Bedells Bursary was established in her honour.
 She published her autobiography, "My Dancing Days", in 1954.
Tortoise in Love is a 2012 British romantic comedy film.
 The story follows a microbiologist turned stately home gardener who enlists the help of his village in an attempt to woo a Polish au pair he has fallen in love with.
 First shown at the 2011 Cannes Film Festival, the film received its world premiere at Odeon West End, Leicester Square, the first film to premiere at Leicester Square since its official re-opening.
 The film made headlines as a result of having its funding entirely crowd sourced from the village of Kingston Bagpuize and the neighbouring village of Southmoor.
The Empire, Leicester Square is a cinema currently operated by Cineworld on the north side of Leicester Square, London.
The Odeon Leicester Square is a cinema which occupies the centre of the eastern side of Leicester Square in London, dominating the square with its huge black polished granite facade and 120 ft high tower displaying its name.
 Blue neon outlines the exterior of the building at night.
 It was built to be the flagship of Oscar Deutsch's Odeon Cinema Circuit and still holds that position today.
 It hosts numerous European and world film premieres including the annual Royal Film Performance.