Barry Humphries hosts a star-studded show in honour of the centenary of John Betjeman's birth, and in aid of mental health charity SANE.

Among the stars expected to take to the stage in a show which mixes variety, music and dance, are British Sea Power, Suggs, Judi Dench, Nick Cave, Jools Holland, Richard E Grant, Ronnie Corbett, Anne Hart, Rachael Stirling, Joanna Lumley, Kit and the Widow, Edward Fox, Prunella Scales, Bill Nighy, Jonathan Cecil, Kenneth Cranham, Miriam Margolyes, Sinead Cusack, Timothy West, Joanna David and Stephen Fry. Appearances are subject to availability.