Joining the previously announced Kate Fleetwood as socialite Tracy Lord, Rupert Young as her ex-husband C.K. Dexter Haven, Jamie Parker as tabloid reporter Mike Connor, Barbara Flynn as Margaret Lord and Annabel Scholey as Liz Imbrie are Ellie Bamber as Dinah Lord, Richard Griev as George Kittredge, Christopher Ravenscroft as Seth Lord, Jeff Rawle as Uncle Willie, Ricky Butt as Mavis and Paul Kemble as Chester.
The ensemble comprises John Brannoch, Omari Douglas, Claire Doyle, Chris Ellis-Stanton, Leon Kay, Sammy Kelly, Zak Nemorin, Katharine Pearson and Philippa Stefani.
They are accompanied by Joe Stile and the High Society Band.
The production is designed by Tom Pye, with lighting by Peter Mumford, sound by Simon Baker and choreography by Nathan M Wright. The musical director is Theo Jamieson, with Christopher Walker as orchestrator and arranger. Casting is by Maggie Lunn, with ensemble casting by Will Burton.
To book tickets, which are on sale through Aug. 22, contact the box office on 0844 871 7628 or visit oldvictheatre.com