Froggatt will play a mother whose family is shattered by grief
The producer will take his portfolio of West End theatres up to nine, and plans to rename the Ambassadors in honour of Stephen Sondheim
The new season is themed around the question 'Who Does She Think She Is?'
Alecky Blythe's new verbatim piece about the London riots will launch the new season in September
The show will play a limited summer run at the Vaudeville Theatre from 5 August
The Matilda director will take the reins next autumn
As the revival prepares to open to press, the hit show has extended by four months
Also joining the longrunner at the Queen's Theatre next month will be Celinde Schoenmaker, Tom Edden, Michael Colbourne and Emilie Fleming