While filming the Orange walk scenes, the cast and crew were occasionally met with opposition from angry locals who were throwing objects towards the parade.
The Orange Order is a conservative British unionist organisation with links to Ulster loyalism. As a strict Protestant society, it does not accept non-Protestants as members Marches through mainly Catholic and Irish nationalist neighbourhoods are controversial and have often led to violence
While driving out of Derry there is a lanyard of yellow and green around the rear view mirror in Gerrys car, these are colours for Donegal in GAA. Tommy Tiernan who plays Gerry was born in Donegal