John Millen Observe the Sons of Ulster Marching towards the Somme ProductionPlayed byOpening Night Observe the Sons of Ulster Marching towards the Somme 1985 (Peacock) O'Brien, Niall Monday, 18 February 1985 Observe the Sons of Ulster Marching towards the Somme 1985 (Abbey) O'Brien, Niall Monday, 2 December 1985 Observe the Sons of Ulster Marching towards the Somme 1994 (Abbey) Byrne, Gerard Wednesday, 19 October 1994 Observe the Sons of Ulster Marching towards the Somme 1994 (Abbey) Lawlor, Sean Wednesday, 19 October 1994 Observe the Sons of Ulster Marching towards the Somme 1995 (Abbey) Byrne, Gerard Wednesday, 12 July 1995 Observe the Sons of Ulster Marching towards the Somme 1995 (Tour) Byrne, Gerard Friday, 18 August 1995 Observe the Sons of Ulster Marching towards the Somme 1996 (Tour) Byrne, Gerard Wednesday, 6 March 1996 Observe the Sons of Ulster Marching towards the Somme 2004 (Abbey) Brophy, Anthony Monday, 27 September 2004 Observe the Sons of Ulster Marching towards the Somme 2016 (Tour) McGowan, Iarla Wednesday, 29 June 2016 Observe the Sons of Ulster Marching towards the Somme 2016 (Abbey) McGowan, Iarla Tuesday, 9 August 2016