Strallen was born in London in 1985 and has been dancing since she was 18 months old. She has three sisters who are also actresses: Saskia, Zizi and Scarlett.[1] Her parents, performers Sandy Strallen and Cherida Langford, both performed in the original London production of Cats, but had met prior to this show. Bonnie Langford[2] is Summer's maternal aunt. Christopher Biggins is one of her Godparents.
It was announced on 4 January 2008 that Strallen would take over the role of "Maria" from Connie Fisher in Andrew Lloyd Webber's West End revival of The Sound of Music, starting from 26 February 2008.[6] As part of a publicity campaign, some months earlier on 2 October 2007, Strallen had been "planted" in the soap opera Hollyoaks as character Summer Shaw.[7] The character's storyline eventually involved her auditioning for, and being awarded, the role of Maria in The Sound of Music. Her character left Hollyoaks as Strallen debuted in the actual stage production of The Sound of Music at the London Palladium on 26 February 2008. For this role she was nominated for the Whatsonstage.com Theatregoers' Choice Award for Best Takeover in a Role.[8] Strallen remained with the production until its closure on 21 February 2009.[9]
In December 2008, Strallen competed on a special West End edition of The Weakest Link and finished in second place.[10]
She created the Ginger Rogers role of Dale Tremont in the musical, Top Hat, which began a UK tour in August 2011.[15] The production began at the West End's Aldwych Theatre on 19 April 2012 and opened on 9 May 2012.[16] Interview with Summer Strallen (Dale Tremont in Top Hat)[17] For this role she earned her fourth Olivier Award nomination. She also went on tour with Strictly Come Dancing professional Anton Du Beke, performing both songs and dances to audiences around Britain.
Strallen voiced the part of "Princess Lucy" in The Big Knights, a British animated children and adult’s television series.[citation needed]
Summer played the role of Nancy Morrell in BBC One's World War Two drama Land Girls broadcast in September 2009.[citation needed]
She also played the role of Summer Shaw in Channel 4's soap Hollyoaks, in which she was planted as a character in the show to publicise the West End Show The Sound of Music. Summer's character won herself the part of Maria in The Sound of Music, while Summer actually was preparing to play the part in real life.[citation needed] In April 2023, she appeared in an episode of the BBC soap opera Doctors as Jemma Dunham.[20]
Recordings
In 2008 Strallen recorded a song for the CD Act One – Songs From The Musicals Of Alexander S. Bermange, an album of 20 brand new recordings by 26 West End stars, released in November 2008 on Dress Circle Records. She can also be heard on the Love Never Dies cast recording as Meg Giry.