Mike Egan coached actor Bill Murray for his role in Hyde Park on the Hudson
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Polio 'coach' for Hyde Park on the Hudson star Bill Murray

1 February 2013 Last updated at 20:56 GMT

A major new film about President Franklin Roosevelt has opened starring American actor Bill Murray.

The president lived with polio but hid it from the public.

It was a man from Leicestershire who helped coach the actor in what living with polio is really like.

BBC's Geeta Pendse reports.