Sara Ryan’s book about justice for her son, who died in an NHS unit aged 18, has been turned into a play with campaigning passion

Judi Dench, Rob Brydon, Imelda Staunton and Bernadette Peters joined the cast for this superb tribute to a genius

There are nice slapstick set-pieces but this two-hander loses any sense of marital crisis and has perfunctory sitcom gags

Musical theatre stars Jenna Russell, Daniel Evans and Janie Dee remember working with their hero, and the unique demands and rewards of his songs

Janie Dee impresses in a smart production of a Terence Rattigan solo work bound up in class issues

Janie Dee stars as a newly bereaved Hampstead widow in this poignant, ventriloquising monologue by Terence Rattigan

This pitch-perfect revival of Sandy Wilson’s 1953 musical is a positive invitation to dance

A patriotic history professor clashes with her activist student in a smart play sustained by an early surge of ideas

Stars of the West End’s Pinter at the Pinter season pick plays by the dramatist that changed the way they thought about theatre

Torben Betts’s social satire about a beleaguered kitchen goddess builds to a bewildering climax full of panic and violence

Hamilton leads the contenders for this year’s Olivier awards with 13 nominations