John Cleese's irascible headteacher is flattened by time's winged chariot in Christopher Morahan's slight, but achingly funny, comedy, scripted by Michael Frayn. Heading for a conference in Norwich, Brian boards the wrong train and is soon deep in a travel nightmare horribly familiar to rail users everywhere.

Christopher Morahan obituary

Director and producer whose 60-year career spanned television, theatre and film - from The Jewel in the Crown to Pinter plays.