The Headmaster and governors of a boarding school are accidentally locked in the new memorial room with the convicted Great Train Robbers.
Director
Waris Hussein
Richard Pearson
Headmaster
John Le Mesurier
Canon Dunwoodie
Barbara Couper
Mrs Craxton-Christie
Stanley Meadows
Lionel Smeed
David Hutcheson
Major Craxton-Christie
Michael Bates
Mike MacFarland