1 BETWIXT

Ian McFarlane’s new musical is a fantasy-adventure about a novelist and his roommate who are taken to an in-between world peopled by the strange and the mysterious.
King’s Head, Upper Street, N1 (www.kingsheadtheatre.org 020-7226 1916), opens Tues

2 THE BIRTHDAY PARTY

Sheila Hancock is the slatternly landlady in a 50th anniversary revival of the masterpiece that initially failed: Harold Pinter’s tale of dark doings at the seaside.
Lyric Hammersmith, King Street, W6 (www.lyric.co.uk 0871 2211722), from Mon

3 BORIS GODUNOV

Declan Donnellan directs a version of Pushkin’s great novel about the lure and the reality of power. In Russian with English surtitles.
Barbican Theatre, Silk Street, EC2 (www.barbican.org.uk 0845 1207515), opens Tues

4 THE DEEP BLUE SEA

Greta Scacchi is the judge’s wife sexually and near-suicidally obsessed with a Second World War pilot in what is often regarded as Terence Rattigan’s finest play.
Vaudeville Theatre, The Strand, WC2 (www.vaudeville-theatre.co.uk 0870 8900511), opens Tues

5 PYGMALION

Tim Pigott-Smith is Professor Higgins and Michelle Dockery the object of his acoustic experiments in Peter Hall’s fine revival of what may be Bernard Shaw’s most enjoyable play.
Old Vic, The Cut, SE1 (www.oldvictheatre.com 0870 0606628), from Thur

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