In a world riven with conflict, what is needed to turn war into peace? Often the presence of a critical individual in whom all sides can have confidence makes the difference.

In Northern Ireland, one of the few examples of a long-lasting negotiated peace settlement, that critical person was Senator George Mitchell whose persistent efforts made a deal possible.

The 6.00pm screening on Mon 24 Nov will be followed by a Q&A with director Trevor Birney.