He pointed out that McGuinness and Paisley did travel home together to Belfast during the negotiations.
The criticism concerns the film’s central plot device, in which a scheme is hatched to throw Paisley and McGuinness together in the Scottish wilderness so that they can bond.
A fierce row has broken out over a “docu-drama” portraying the unlikely friendship between Ian Paisley and Martin McGuinness that developed during the Northern Ireland peace process.
The film stars Timothy Spall as Paisley, the former Democratic Unionist party leader, and Star Trek actor Colm Meaney as McGuinness, the Sinn Féin politician and one-time IRA chief of staff.