Joining the previously announced Lindsay Duncan (Judith Bliss), Jeremy Northam (Richard Greatham), Kevin R. McNally (David Bliss) and Olivia Colman (Myra Arundel) are Sam Callis (Sandy Tyrell), Freddie Fox (Simon Bliss), Jenny Galloway (Clara), Amy Morgan (Jackie Coryton) and Phoebe Waller-Bridge (Sorel Bliss).

The production is directed by Howard Davies, with designs by Bunny Christie, lighting by Mark Henderson and sound by Mike Walker.  It is produced in the West End by Richard Willis, Matthew Byam Shaw for Playful Productions and Sonia Friedman Productions.

Callis was most recently on stage in Henrik Ibsen's The League of Youth at Nottingham Playhouse.  Other theatre credits include A Midsummer Night’s Dream at the Brooklyn Academy of Music in New York and The Tempest for Sheffield Crucible and the Old Vic.  On television he is best known for playing Sergeant Callum Stone in "The Bill."

Fox has appeared in A Flea In Her Ear, Cause Célèbre and 24 Hour Plays (all Old Vic).  He is soon to play the title role in the BBC’s adaptation of Charles Dickens’ "The Mysteries of Edwin Drood."

Morgan has recently been seen in Inadmissible Evidence at the Donmar Warehouse. Other theatre credits include The Taming of the Shrew and To Kill A Mockingbird. Waller-Bridge's theatre credits include Sixty Six Books for the Bush Theatre, Tribes at the Royal Court and Rope for the Almeida Theatre.  She is currently playing Chloe in Sky 1’s "The Café."

Galloway was last seen on stage in Anna Christie at the Donmar Warehouse.  Other theatre credits include Les Miserables, Oliver! and the original cast of Mamma Mia!  TV credits include Bella Ellis in "Marple: The Pale Horse."

To book tickets, contact the box office on 0844 482 5140, or visit www.hayfeverlondon.com for more details.