Who were either not quite as pleasant as you'd like them to have been or more pleasant than you'd expect.
Christopher Eccleston grabbed his bag, script and stormed off to a different carriage after I’d asked for his autograph. This was difficult to accept at the time as a shy and slightly star-struck teenager who hadn't met anyone off the telly before. It was at the height of his Dr Who fame.
Gary Linekar turning round to pass me my coffee in Costa having picked up the wrong cup.