Sir George Edward Wade, CBE (20 September 1869 – 29 November 1954), known professionally as George Robey, was an English comedian, singer and actor in musical theatre, who became known as one of the greatest music hall performers of the late 19th and early 20th centuries.
 As a comedian, Robey mixed everyday situations and observations with comic absurdity.
 Apart from his music hall acts, he was a popular Christmas pantomime performer in the English provinces, where he excelled in the dame roles.
 He scored notable successes in musical revues during and after the First World War, particularly with the song "If You Were the Only Girl (In the World)", which he performed with Violet Loraine in the revue "The Bing Boys Are Here" (1916).
 One of his best-known original characters in his six-decade long career was the Prime Minister of Mirth.
The Great Santa Claus Switch is a musical Christmas special featuring Jim Henson's Muppets.
 It first aired on CBS on December 20, 1970 as an episode of "The Ed Sullivan Show".
 It was directed by John Moffitt, written by Jerry Juhl, with music by Joe Raposo and puppets by Don Sahlin.
Lesley Lawson (née Hornby; born 19 September 1949) is an English model, actress, and singer widely known by the nickname Twiggy.
 She was a British cultural icon and a prominent teenage model in swinging sixties London.
Lenka Pichlíková – Burke (born July 28, 1954 at Prague) is an American actress of Czech descent, the seventh generation of her family to appear onstage since the 18th century.
 Her great-uncle was the noted national actor, Ladislav Pešek.
 While in Czechoslovakia, she performed on stage in many theatres, played in twelve films, and created over 40 television roles, rising to the rank of Advanced Master Artist.
 In addition to performing as a speaking actress, she was also involved professionally in classic pantomime.
 Since the 1980s she has resided in the United States.
 In the United States, she has performed onstage in speaking roles as well as in pantomime productions for more than 25 years.
 Since 1988, she has been a member of the Actors' Equity Association, the union which represents professional actors.
 In 2006 she was named the "Best Mime" of Fairfield County, Connecticut.
 She teaches performing arts, dramatic literature, and cultural history, and translates plays.
Aladdin, is a musical/pantomime written by Sandy Wilson for the inaugural Christmas Pantomime at the newly refurbished Lyric Theatre, Hammersmith.
 It played during the Christmas pantomime season of 1979/80 at the theatre, (opening on 21 December 1979) and starred Richard Freeman as Aladdin, Joe Melia as Tuang Kee Chung (Widow Twankey), Aubrey Woods as Abanazar, Ernest Clark as The Emperor, Martin McEvoy as The Genie, Elizabeth Welch as Fatima and Christine McKenna as Badr-al-Badur.
American pantomime, panto for short, refers to works of theatrical entertainment that have been presented in the United States of America since 1876.
 The works are derived from the entertainment genre of pantomime that developed in England, presented either as they are in Britain or adapted for the American stage and tailored to American audiences.
 Pantomime in America, as in England, is usually performed at Christmas time.
 The entertainments, aimed at families, are based on nursery stories and fairy tales, and they incorporate songs (traditional, popular and new), slapstick comedy, often topical jokes, magic, some cross-dressing, local references, audience participation, and mild adult innuendo.
Pantomime (informally panto), is a type of musical comedy stage production, designed for family entertainment.
 It was developed in England and is still performed throughout the United Kingdom, generally during the Christmas and New Year season and, to a lesser extent, in other English-speaking countries.
 Modern pantomime includes songs, gags, slapstick comedy and dancing, employs gender-crossing actors, and combines topical humour with a story loosely based on a well-known fairy tale, fable or folk tale.
 It is a participatory form of theatre, in which the audience is expected to sing along with certain parts of the music and shout out phrases to the performers.
Captain Beaky & His Band (Not Forgetting Hissing Sid!!!)
, commonly shortened to Captain Beaky & His Band or Captain Beaky, is the title of two albums (volumes 1 and 2) of poetry by Jeremy Lloyd set to music by Jim Parker and recited by various British celebrities.
 The albums generated two books of poetry, BBC television shows, a West End musical, a pantomime ("Captain Beaky and His Musical Christmas" performed by Twiggy, Eleanor Bron, Keith Michell and Jeremy Lloyd at the Apollo Victoria Theatre, London, in December 1981), performances by the National Youth Ballet of Great Britain and a gala in aid of UNICEF performed by Roger Moore, Joanna Lumley, Jeremy Lloyd and the National Youth Ballet at the Royal Albert Hall, London, in December 2011.
 The first album was released on vinyl in 1977 and the second in 1980.
 Both were rereleased on compact disc in 2002.
Ada Blanche (16 July 1862 – 1 January 1953), born Ada Cecilia Blanche Adams, was an English actress and singer known early in her career for vivacious performances in Victorian burlesque and pantomime and later in character roles in Edwardian musical comedy.
Elf: Buddy's Musical Christmas is a 2014 American stop-motion animated Christmas musical television special directed by Mark Caballero and Seamus Walsh and written by Aaron Horvath, Michael Jelenic, Bob Martin and Thomas Meehan.
 It is based on the 2003 film "Elf" and the Broadway theatre musical "".
 While Edward Asner reprises his role of Santa Claus from the film, the rest of the cast consists of Jim Parsons, Mark Hamill, Kate Micucci, Max Charles, and Rachael MacFarlane.
 The special premiered on December 16, 2014, on NBC.

Question: What English actress performed a pantomime of "Captain Beaky and His Musical Christmas"?
Answer: Twiggy