sentences:  Douglas Adams knew John Cleese and Eleanor Bron through his connections with "Monty Python" and the Footlights.On learning that both would be working in BBC Television Centre on the day the art gallery scenes were to be recorded, he persuaded them to make a cameo appearance in a short scene written for "two Englishmen".Cleese and Bron agreed on the condition that there be no pre-publicity regarding their appearance; Cleese wanted them to be credited as "Helen Swanetsky" and "Kim Bread" but the BBC declined.