As Kenneth Branagh brings his third Hercule Poirot film to theaters with ... occasionally passable accent, we get very little ...

Hercule Poirot isn’t just about those famous little grey cells, insists Michael Maloney who takes on the role of the celebrated Belgian sleuth on tour in Murder On The Orient Express.

But also on board is the obnoxious and highly unpopular Mrs Claperton, so perhaps Poirot will not be resting 'the little grey cells' for long.