She has also been known for appearing in various musicals in the West End and on Broadway, including shows such as Peter Pan, Cats, The Pirates of Penzance and Chicago.

This led to the role of Scarlett O'Hara's daughter in the London production of Scarlett (1972),[3] and work in the 1974 Broadway revival of Gypsy starring Angela Lansbury, in the 1976 film Bugsy Malone, the 1977 film Wombling Free, and to still greater fame playing Violet Elizabeth Bott in the 1977–78 television series Just William.

During this time, she was appearing as a regular on a children's prime-time show made by Yorkshire Television called Junior Showtime, along with child stars Lena Zavaroni, Neil Reid, Perry Cree, and Glynn Poole among others.

She returned to the role in 1993 for Dimensions in Time, a special charity Doctor Who/EastEnders crossover episode as part of the BBC's Children in Need.

[6][7] The two episodes were broadcast in June 2024[8] Langford was a featured dancer in BBC One's popular light entertainment series The Hot Shoe Show which she co-presented with Wayne Sleep.

[9] On 23 October 2005, she performed in Children Will Listen, a 75th birthday tribute to Stephen Sondheim at the Theatre Royal, Drury Lane.

[10][1][11] In 2006, Langford was a celebrity contestant in the first series of ITV's Dancing on Ice, partnering professional figure skater Matt Evers.

[16] In February 2014 she was announced as one of eight celebrities that would be appearing in Torvill & Dean's Dancing on Ice: The Final Tour between March & April 2014.

[18] In 2006 and 2007, Langford appeared in the Birmingham and Plymouth tours of Guys and Dolls playing Miss Adelaide Adams, a dance hall hostess.

[21] Langford played the role of Roz in the first UK tour production of the Broadway musical, 9 to 5, which was launched at the Opera House, Manchester on 12 October 2012.