The actor, who has starred in everything from sitcoms to Shakespeare, talks about his family rows over Brexit, having his phone hacked " and why he did not want to be like Laurence Olivier Robert Lindsay was sitting on the set of The Fever Syndrome at London's Hampstead theatre, having his photo taken. Instantly recognisable everywhere since his stupidly handsome days " playing the eponymous Marxist in the BBC's sitc…