Produced by Alex Parker, who is also the musical director of an onstage 12-piece band, the company will include Louise Dearman, Christina Bennington, Michael Colbourne, Andy Conaghan, Cellen Chugg Jones, Emma Harrold, Rob Houchen, Claudia Kariuki, Laura Tebbutt, Laura Sillett and Joe Vetch.
The concert, which will be staged by Alastair Knights and choreographed by Racky Plews, will include songs from A Chorus Line, Sweet Smell of Success, They're Playing Our Song, Smile and The Nutty Professor, as well as music written especially for Barbra Streisand.
To book tickets contact the box office on 0844 264 2140, or visit www.stjamestheatre.co.uk.